import java.awt.*;
import java.io.*;
public class Team_Hyperthreading_Problem_4
{
    public static void main (String[] args) throws IOException
    {
	int i, j, e, f, g, h, q, r, s, t;
	int anum = 0, bnum = 0, cnum = 0, dnum = 0, eenum = 0, fnum = 0, gnum = 0, hnum = 0, inum = 0, jnum = 0, knum = 0, lnum = 0, mnum = 0, nnum = 0, onum = 0, pnum = 0, qnum = 0, rnum = 0, snum = 0, tnum = 0, unum = 0, vnum = 0, wnum = 0, xnum = 0, ynum = 0, znum = 0;
	int position;
	char curchar;
	PrintWriter out = new PrintWriter (new FileWriter ("OUT4.txt"));
	BufferedReader in = new BufferedReader (new FileReader ("DATA4.txt"));
	String line1 = "", line2 = "", line3 = "", line4 = "", line5 = "";
	line1 = in.readLine ();
	line2 = in.readLine ();
	line3 = in.readLine ();
	line4 = in.readLine ();
	line5 = in.readLine ();

	int length1 = line1.length () - 1;
	int length2 = line2.length () - 1;
	int length3 = line3.length () - 1;
	int length4 = line4.length () - 1;
	int length5 = line5.length () - 1;
	anum = 0;
	bnum = 0;
	cnum = 0;
	dnum = 0;
	eenum = 0;
	fnum = 0;
	gnum = 0;
	hnum = 0;
	inum = 0;
	jnum = 0;
	knum = 0;
	lnum = 0;
	mnum = 0;
	nnum = 0;
	onum = 0;
	pnum = 0;
	qnum = 0;
	rnum = 0;
	snum = 0;
	tnum = 0;
	unum = 0;
	vnum = 0;
	wnum = 0;
	xnum = 0;
	ynum = 0;
	znum = 0;
	for (i = 0 ; i <= length1 ; i++)
	{


	    curchar = line1.charAt (i);
	    if (curchar == 'A')
	    {
		anum++;

	    }
	    if (curchar == 'B')
	    {
		bnum++;

	    }
	    if (curchar == 'C')
	    {
		cnum++;

	    }
	    if (curchar == 'D')
	    {
		dnum++;

	    }
	    if (curchar == 'E')
	    {
		eenum++;
	    }
	    if (curchar == 'F')
	    {
		fnum++;
	    }
	    if (curchar == 'G')
	    {
		gnum++;
	    }
	    if (curchar == 'H')
	    {
		hnum++;
	    }
	    if (curchar == 'I')
	    {
		inum++;
	    }
	    if (curchar == 'J')
	    {
		jnum++;
	    }
	    if (curchar == 'K')
	    {
		knum++;
	    }
	    if (curchar == 'L')
	    {
		lnum++;
	    }
	    if (curchar == 'M')
	    {
		mnum++;
	    }
	    if (curchar == 'N')
	    {
		nnum++;
	    }
	    if (curchar == 'O')
	    {
		onum++;
	    }
	    if (curchar == 'P')
	    {
		pnum++;
	    }
	    if (curchar == 'Q')
	    {
		qnum++;
	    }
	    if (curchar == 'R')
	    {
		rnum++;
	    }
	    if (curchar == 'S')
	    {
		snum++;
	    }
	    if (curchar == 'T')
	    {
		tnum++;
	    }
	    if (curchar == 'U')
	    {
		unum++;
	    }
	    if (curchar == 'V')
	    {
		vnum++;
	    }
	    if (curchar == 'W')
	    {
		wnum++;
	    }
	    if (curchar == 'X')
	    {
		xnum++;
	    }
	    if (curchar == 'Y')
	    {
		ynum++;
	    }
	    if (curchar == 'Z')
	    {
		znum++;
	    }



	}




	for (j = 0 ; j <= length1 ; j++)
	{
	    if (line1.charAt (j) == 'A' && anum == 1)
	    {
		out.println ("A");
		j = length1;

	    }
	    if (line1.charAt (j) == 'B' && bnum == 1)
	    {
		out.println ("B");
		j = length1;

	    }
	    if (line1.charAt (j) == 'C' && cnum == 1)
	    {
		out.println ("C");
		j = length1;

	    }
	    if (line1.charAt (j) == 'D' && dnum == 1)
	    {
		out.println ("D");
		j = length1;

	    }
	    if (line1.charAt (j) == 'E' && eenum == 1)
	    {
		out.println ("E");
		j = length1;

	    }
	    if (line1.charAt (j) == 'F' && fnum == 1)
	    {
		out.println ("F");
		j = length1;

	    }
	    if (line1.charAt (j) == 'G' && gnum == 1)
	    {
		out.println ("G");
		j = length1;

	    }
	    if (line1.charAt (j) == 'H' && hnum == 1)
	    {
		out.println ("H");
		j = length1;
	    }
	    if (line1.charAt (j) == 'I' && inum == 1)
	    {
		out.println ("I");
		j = length1;

	    }
	    if (line1.charAt (j) == 'J' && jnum == 1)
	    {
		out.println ("J");
		j = length1;

	    }
	    if (line1.charAt (j) == 'K' && knum == 1)
	    {
		out.println ("K");
		j = length1;

	    }
	    if (line1.charAt (j) == 'L' && lnum == 1)
	    {
		out.println ("A");
		j = length1;

	    }
	    if (line1.charAt (j) == 'M' && mnum == 1)
	    {
		out.println ("M");
		j = length1;

	    }
	    if (line1.charAt (j) == 'N' && nnum == 1)
	    {
		out.println ("N");
		j = length1;

	    }
	    if (line1.charAt (j) == 'O' && onum == 1)
	    {
		out.println ("O");
		j = length1;

	    }
	    if (line1.charAt (j) == 'P' && pnum == 1)
	    {
		out.println ("P");
		j = length1;

	    }
	    if (line1.charAt (j) == 'Q' && qnum == 1)
	    {
		out.println ("Q");
		j = length1;

	    }
	    if (line1.charAt (j) == 'R' && rnum == 1)
	    {
		out.println ("R");
		j = length1;

	    }
	    if (line1.charAt (j) == 'S' && snum == 1)
	    {
		out.println ("S");
		j = length1;

	    }
	    if (line1.charAt (j) == 'T' && tnum == 1)
	    {
		out.println ("T");
		j = length1;

	    }
	    if (line1.charAt (j) == 'U' && unum == 1)
	    {
		out.println ("U");
		j = length1;

	    }
	    if (line1.charAt (j) == 'V' && vnum == 1)
	    {
		out.println ("V");
		j = length1;

	    }
	    if (line1.charAt (j) == 'W' && wnum == 1)
	    {
		out.println ("W");
		j = length1;

	    }
	    if (line1.charAt (j) == 'X' && xnum == 1)
	    {
		out.println ("X");
		j = length1;

	    }
	    if (line1.charAt (j) == 'Y' && ynum == 1)
	    {
		out.println ("Y");
		j = length1;

	    }
	    if (line1.charAt (j) == 'Z' && znum == 1)
	    {
		out.println ("Z");
		j = length1;

	    }

	}
	anum = 0;
	bnum = 0;
	cnum = 0;
	dnum = 0;
	eenum = 0;
	fnum = 0;
	gnum = 0;
	hnum = 0;
	inum = 0;
	jnum = 0;
	knum = 0;
	lnum = 0;
	mnum = 0;
	nnum = 0;
	onum = 0;
	pnum = 0;
	qnum = 0;
	rnum = 0;
	snum = 0;
	tnum = 0;
	unum = 0;
	vnum = 0;
	wnum = 0;
	xnum = 0;
	ynum = 0;
	znum = 0;

	for (i = 0 ; i <= length2 ; i++)
	{


	    curchar = line2.charAt (i);
	    if (curchar == 'A')
	    {
		anum++;

	    }
	    if (curchar == 'B')
	    {
		bnum++;

	    }
	    if (curchar == 'C')
	    {
		cnum++;

	    }
	    if (curchar == 'D')
	    {
		dnum++;

	    }
	    if (curchar == 'E')
	    {
		eenum++;
	    }
	    if (curchar == 'F')
	    {
		fnum++;
	    }
	    if (curchar == 'G')
	    {
		gnum++;
	    }
	    if (curchar == 'H')
	    {
		hnum++;
	    }
	    if (curchar == 'I')
	    {
		inum++;
	    }
	    if (curchar == 'J')
	    {
		jnum++;
	    }
	    if (curchar == 'K')
	    {
		knum++;
	    }
	    if (curchar == 'L')
	    {
		lnum++;
	    }
	    if (curchar == 'M')
	    {
		mnum++;
	    }
	    if (curchar == 'N')
	    {
		nnum++;
	    }
	    if (curchar == 'O')
	    {
		onum++;
	    }
	    if (curchar == 'P')
	    {
		pnum++;
	    }
	    if (curchar == 'Q')
	    {
		qnum++;
	    }
	    if (curchar == 'R')
	    {
		rnum++;
	    }
	    if (curchar == 'S')
	    {
		snum++;
	    }
	    if (curchar == 'T')
	    {
		tnum++;
	    }
	    if (curchar == 'U')
	    {
		unum++;
	    }
	    if (curchar == 'V')
	    {
		vnum++;
	    }
	    if (curchar == 'W')
	    {
		wnum++;
	    }
	    if (curchar == 'X')
	    {
		xnum++;
	    }
	    if (curchar == 'Y')
	    {
		ynum++;
	    }
	    if (curchar == 'Z')
	    {
		znum++;
	    }


	}



	for (j = 0 ; j <= length2 ; j++)
	{
	    if (line2.charAt (j) == 'A' && anum == 1)
	    {
		out.println ("A");
		j = length2;

	    }
	    if (line2.charAt (j) == 'B' && bnum == 1)
	    {
		out.println ("B");
		j = length2;

	    }
	    if (line2.charAt (j) == 'C' && cnum == 1)
	    {
		out.println ("C");
		j = length2;

	    }
	    if (line2.charAt (j) == 'D' && dnum == 1)
	    {
		out.println ("D");
		j = length2;

	    }
	    if (line2.charAt (j) == 'E' && eenum == 1)
	    {
		out.println ("E");
		j = length2;

	    }
	    if (line2.charAt (j) == 'F' && fnum == 1)
	    {
		out.println ("F");
		j = length2;

	    }
	    if (line2.charAt (j) == 'G' && gnum == 1)
	    {
		out.println ("G");
		j = length2;

	    }
	    if (line2.charAt (j) == 'H' && hnum == 1)
	    {
		out.println ("H");
		j = length2;

	    }
	    if (line2.charAt (j) == 'I' && inum == 1)
	    {
		out.println ("I");
		j = length2;

	    }
	    if (line2.charAt (j) == 'J' && jnum == 1)
	    {
		out.println ("J");
		j = length2;

	    }
	    if (line2.charAt (j) == 'K' && knum == 1)
	    {
		out.println ("K");
		j = length2;

	    }
	    if (line2.charAt (j) == 'L' && lnum == 1)
	    {
		out.println ("A");
		j = length2;

	    }
	    if (line2.charAt (j) == 'M' && mnum == 1)
	    {
		out.println ("M");
		j = length2;

	    }
	    if (line2.charAt (j) == 'N' && nnum == 1)
	    {
		out.println ("N");
		j = length2;

	    }
	    if (line2.charAt (j) == 'O' && onum == 1)
	    {
		out.println ("O");
		j = length2;

	    }
	    if (line2.charAt (j) == 'P' && pnum == 1)
	    {
		out.println ("P");
		j = length2;

	    }
	    if (line2.charAt (j) == 'Q' && qnum == 1)
	    {
		out.println ("Q");
		j = length2;

	    }
	    if (line2.charAt (j) == 'R' && rnum == 1)
	    {
		out.println ("R");
		j = length2;

	    }
	    if (line2.charAt (j) == 'S' && snum == 1)
	    {
		out.println ("S");
		j = length2;

	    }
	    if (line2.charAt (j) == 'T' && tnum == 1)
	    {
		out.println ("T");
		j = length2;

	    }
	    if (line2.charAt (j) == 'U' && unum == 1)
	    {
		out.println ("U");
		j = length2;

	    }
	    if (line2.charAt (j) == 'V' && vnum == 1)
	    {
		out.println ("V");
		j = length2;

	    }
	    if (line2.charAt (j) == 'W' && wnum == 1)
	    {
		out.println ("W");
		j = length2;

	    }
	    if (line2.charAt (j) == 'X' && xnum == 1)
	    {
		out.println ("X");
		j = length2;

	    }
	    if (line2.charAt (j) == 'Y' && ynum == 1)
	    {
		out.println ("Y");
		j = length2;

	    }
	    if (line2.charAt (j) == 'Z' && znum == 1)
	    {
		out.println ("Z");
		j = length2;

	    }

	}
	anum = 0;
	bnum = 0;
	cnum = 0;
	dnum = 0;
	eenum = 0;
	fnum = 0;
	gnum = 0;
	hnum = 0;
	inum = 0;
	jnum = 0;
	knum = 0;
	lnum = 0;
	mnum = 0;
	nnum = 0;
	onum = 0;
	pnum = 0;
	qnum = 0;
	rnum = 0;
	snum = 0;
	tnum = 0;
	unum = 0;
	vnum = 0;
	wnum = 0;
	xnum = 0;
	ynum = 0;
	znum = 0;



	for (i = 0 ; i <= length3 ; i++)
	{


	    curchar = line3.charAt (i);
	    if (curchar == 'A')
	    {
		anum++;

	    }


	    if (curchar == 'B')
	    {
		bnum++;

	    }


	    if (curchar == 'C')
	    {
		cnum++;

	    }


	    if (curchar == 'D')
	    {
		dnum++;

	    }


	    if (curchar == 'E')
	    {
		eenum++;
	    }


	    if (curchar == 'F')
	    {
		fnum++;
	    }


	    if (curchar == 'G')
	    {
		gnum++;
	    }


	    if (curchar == 'H')
	    {
		hnum++;
	    }


	    if (curchar == 'I')
	    {
		inum++;
	    }


	    if (curchar == 'J')
	    {
		jnum++;
	    }


	    if (curchar == 'K')
	    {
		knum++;
	    }


	    if (curchar == 'L')
	    {
		lnum++;
	    }


	    if (curchar == 'M')
	    {
		mnum++;
	    }


	    if (curchar == 'N')
	    {
		nnum++;
	    }


	    if (curchar == 'O')
	    {
		onum++;
	    }


	    if (curchar == 'P')
	    {
		pnum++;
	    }


	    if (curchar == 'Q')
	    {
		qnum++;
	    }


	    if (curchar == 'R')
	    {
		rnum++;
	    }


	    if (curchar == 'S')
	    {
		snum++;
	    }


	    if (curchar == 'T')
	    {
		tnum++;
	    }


	    if (curchar == 'U')
	    {
		unum++;
	    }


	    if (curchar == 'V')
	    {
		vnum++;
	    }


	    if (curchar == 'W')
	    {
		wnum++;
	    }


	    if (curchar == 'X')
	    {
		xnum++;
	    }


	    if (curchar == 'Y')
	    {
		ynum++;
	    }


	    if (curchar == 'Z')
	    {
		znum++;
	    }
	}

     for (j = 0 ; j <= length3 ; j++)
    {
	if (line3.charAt (j) == 'A' && anum == 1)
	{
	    out.println ("A");
	    j = length3;

	}
	if (line3.charAt (j) == 'B' && bnum == 1)
	{
	    out.println ("B");
	    j = length3;

	}
	if (line3.charAt (j) == 'C' && cnum == 1)
	{
	    out.println ("C");
	    j = length3;

	}
	if (line3.charAt (j) == 'D' && dnum == 1)
	{
	    out.println ("D");
	    j = length3;

	}
	if (line3.charAt (j) == 'E' && eenum == 1)
	{
	    out.println ("E");
	    j = length3;

	}
	if (line3.charAt (j) == 'F' && fnum == 1)
	{
	    out.println ("F");
	    j = length3;

	}
	if (line3.charAt (j) == 'G' && gnum == 1)
	{
	    out.println ("G");
	    j = length3;

	}
	if (line3.charAt (j) == 'H' && hnum == 1)
	{
	    out.println ("H");
	    j = length3;

	}
	if (line3.charAt (j) == 'I' && inum == 1)
	{
	    out.println ("I");
	    j = length3;

	}
	if (line3.charAt (j) == 'J' && jnum == 1)
	{
	    out.println ("J");
	    j = length3;

	}
	if (line3.charAt (j) == 'K' && knum == 1)
	{
	    out.println ("K");
	    j = length3;

	}
	if (line3.charAt (j) == 'L' && lnum == 1)
	{
	    out.println ("A");
	    j = length3;

	}
	if (line3.charAt (j) == 'M' && mnum == 1)
	{
	    out.println ("M");
	    j = length3;

	}
	if (line3.charAt (j) == 'N' && nnum == 1)
	{
	    out.println ("N");
	    j = length3;

	}
	if (line3.charAt (j) == 'O' && onum == 1)
	{
	    out.println ("O");
	    j = length3;

	}
	if (line3.charAt (j) == 'P' && pnum == 1)
	{
	    out.println ("P");
	    j = length3;

	}
	if (line3.charAt (j) == 'Q' && qnum == 1)
	{
	    out.println ("Q");
	    j = length3;

	}
	if (line3.charAt (j) == 'R' && rnum == 1)
	{
	    out.println ("R");
	    j = length3;

	}
	if (line3.charAt (j) == 'S' && snum == 1)
	{
	    out.println ("S");
	    j = length3;

	}
	if (line3.charAt (j) == 'T' && tnum == 1)
	{
	    out.println ("T");
	    j = length3;

	}
	if (line3.charAt (j) == 'U' && unum == 1)
	{
	    out.println ("U");
	    j = length3;

	}
	if (line3.charAt (j) == 'V' && vnum == 1)
	{
	    out.println ("V");
	    j = length3;

	}
	if (line3.charAt (j) == 'W' && wnum == 1)
	{
	    out.println ("W");
	    j = length3;

	}
	if (line3.charAt (j) == 'X' && xnum == 1)
	{
	    out.println ("X");
	    j = length3;
	}
	if (line3.charAt (j) == 'Y' && ynum == 1)
	{
	    out.println ("Y");
	    j = length3;

	}
	if (line3.charAt (j) == 'Z' && znum == 1)
	{
	    out.println ("Z");
	    j = length3;

	}
    }
      anum = 0;
	bnum = 0;
	cnum = 0;
	dnum = 0;
	eenum = 0;
	fnum = 0;
	gnum = 0;
	hnum = 0;
	inum = 0;
	jnum = 0;
	knum = 0;
	lnum = 0;
	mnum = 0;
	nnum = 0;
	onum = 0;
	pnum = 0;
	qnum = 0;
	rnum = 0;
	snum = 0;
	tnum = 0;
	unum = 0;
	vnum = 0;
	wnum = 0;
	xnum = 0;
	ynum = 0;
	znum = 0;

    for (i = 0 ; i <= length4 ; i++)
    {
       
	curchar = line4.charAt (i);
	if (curchar == 'A')
	{
	    anum++;


	}
	if (curchar == 'B')
	{
	    bnum++;

	}
	if (curchar == 'C')
	{
	    cnum++;

	}
	if (curchar == 'D')
	{
	    dnum++;

	}
	if (curchar == 'E')
	{
	    eenum++;
	}
	if (curchar == 'F')
	{
	    fnum++;
	}
	if (curchar == 'G')
	{
	    gnum++;
	}
	if (curchar == 'H')
	{
	    hnum++;
	}
	if (curchar == 'I')
	{
	    inum++;
	}
	if (curchar == 'J')
	{
	    jnum++;
	}
	if (curchar == 'K')
	{
	    knum++;
	}
	if (curchar == 'L')
	{
	    lnum++;
	}
	if (curchar == 'M')
	{
	    mnum++;
	}
	if (curchar == 'N')
	{
	    nnum++;
	}
	if (curchar == 'O')
	{
	    onum++;
	}
	if (curchar == 'P')
	{
	    pnum++;
	}
	if (curchar == 'Q')
	{
	    qnum++;
	}
	if (curchar == 'R')
	{
	    rnum++;
	}
	if (curchar == 'S')
	{
	    snum++;
	}
	if (curchar == 'T')
	{
	    tnum++;
	}
	if (curchar == 'U')
	{
	    unum++;
	}
	if (curchar == 'V')
	{
	    vnum++;
	}
	if (curchar == 'W')
	{
	    wnum++;
	}
	if (curchar == 'X')
	{
	    xnum++;
	}
	if (curchar == 'Y')
	{
	    ynum++;
	}
	if (curchar == 'Z')
	{
	    znum++;
	}

    }


    for (j = 0 ; j <= length4 ; j++)
    {
	if (line4.charAt (j) == 'A' && anum == 1)
	{
	    out.println ("A");
	    j = length4;

	}
	if (line4.charAt (j) == 'B' && bnum == 1)
	{
	    out.println ("B");
	    j = length4;

	}
	if (line4.charAt (j) == 'C' && cnum == 1)
	{
	    out.println ("C");
	    j = length4;

	}
	if (line4.charAt (j) == 'D' && dnum == 1)
	{
	    out.println ("D");
	    j = length4;

	}
	if (line4.charAt (j) == 'E' && eenum == 1)
	{
	    out.println ("E");
	    j = length4;

	}
	if (line4.charAt (j) == 'F' && fnum == 1)
	{
	    out.println ("F");
	    j = length4;

	}
	if (line4.charAt (j) == 'G' && gnum == 1)
	{
	    out.println ("G");
	    j = length4;

	}
	if (line4.charAt (j) == 'H' && hnum == 1)
	{
	    out.println ("H");
	    j = length4;

	}
	if (line4.charAt (j) == 'I' && inum == 1)
	{
	    out.println ("I");
	    j = length4;

	}
	if (line4.charAt (j) == 'J' && jnum == 1)
	{
	    out.println ("J");
	    j = length4;

	}
	if (line4.charAt (j) == 'K' && knum == 1)
	{
	    out.println ("K");
	    j = length4;

	}
	if (line4.charAt (j) == 'L' && lnum == 1)
	{
	    out.println ("A");
	    j = length4;

	}
	if (line4.charAt (j) == 'M' && mnum == 1)
	{
	    out.println ("M");
	    j = length4;

	}
	if (line4.charAt (j) == 'N' && nnum == 1)
	{
	    out.println ("N");
	    j = length4;

	}
	if (line4.charAt (j) == 'O' && onum == 1)
	{
	    out.println ("O");
	    j = length4;

	}
	if (line4.charAt (j) == 'P' && pnum == 1)
	{
	    out.println ("P");
	    j = length4;

	}
	if (line4.charAt (j) == 'Q' && qnum == 1)
	{
	    out.println ("Q");
	    j = length4;

	}
	if (line4.charAt (j) == 'R' && rnum == 1)
	{
	    out.println ("R");
	    j = length4;

	}
	if (line4.charAt (j) == 'S' && snum == 1)
	{
	    out.println ("S");
	    j = length4;

	}
	if (line4.charAt (j) == 'T' && tnum == 1)
	{
	    out.println ("T");
	    j = length4;

	}
	if (line4.charAt (j) == 'U' && unum == 1)
	{
	    out.println ("U");
	    j = length4;

	}
	if (line4.charAt (j) == 'V' && vnum == 1)
	{
	    out.println ("V");
	    j = length4;

	}
	if (line4.charAt (j) == 'W' && wnum == 1)
	{
	    out.println ("W");
	    j = length4;

	}
	if (line4.charAt (j) == 'X' && xnum == 1)
	{
	    out.println ("X");
	    j = length4;

	}
	if (line4.charAt (j) == 'Y' && ynum == 1)
	{
	    out.println ("Y");
	    j = length4;

	}
	if (line4.charAt (j) == 'Z' && znum == 1)
	{
	    out.println ("Z");
	    j = length4;

	}
    }

 anum = 0;
	bnum = 0;
	cnum = 0;
	dnum = 0;
	eenum = 0;
	fnum = 0;
	gnum = 0;
	hnum = 0;
	inum = 0;
	jnum = 0;
	knum = 0;
	lnum = 0;
	mnum = 0;
	nnum = 0;
	onum = 0;
	pnum = 0;
	qnum = 0;
	rnum = 0;
	snum = 0;
	tnum = 0;
	unum = 0;
	vnum = 0;
	wnum = 0;
	xnum = 0;
	ynum = 0;
	znum = 0;
   for (i = 0 ; i <= length5 ; i++)
	{


	    curchar = line5.charAt (i);
	    if (curchar == 'A')
	    {
		anum++;

	    }
	    if (curchar == 'B')
	    {
		bnum++;

	    }
	    if (curchar == 'C')
	    {
		cnum++;

	    }
	    if (curchar == 'D')
	    {
		dnum++;

	    }
	    if (curchar == 'E')
	    {
		eenum++;
	    }
	    if (curchar == 'F')
	    {
		fnum++;
	    }
	    if (curchar == 'G')
	    {
		gnum++;
	    }
	    if (curchar == 'H')
	    {
		hnum++;
	    }
	    if (curchar == 'I')
	    {
		inum++;
	    }
	    if (curchar == 'J')
	    {
		jnum++;
	    }
	    if (curchar == 'K')
	    {
		knum++;
	    }
	    if (curchar == 'L')
	    {
		lnum++;
	    }
	    if (curchar == 'M')
	    {
		mnum++;
	    }
	    if (curchar == 'N')
	    {
		nnum++;
	    }
	    if (curchar == 'O')
	    {
		onum++;
	    }
	    if (curchar == 'P')
	    {
		pnum++;
	    }
	    if (curchar == 'Q')
	    {
		qnum++;
	    }
	    if (curchar == 'R')
	    {
		rnum++;
	    }
	    if (curchar == 'S')
	    {
		snum++;
	    }
	    if (curchar == 'T')
	    {
		tnum++;
	    }
	    if (curchar == 'U')
	    {
		unum++;
	    }
	    if (curchar == 'V')
	    {
		vnum++;
	    }
	    if (curchar == 'W')
	    {
		wnum++;
	    }
	    if (curchar == 'X')
	    {
		xnum++;
	    }
	    if (curchar == 'Y')
	    {
		ynum++;
	    }
	    if (curchar == 'Z')
	    {
		znum++;
	    }



	}



    for (j = 0 ; j <= length5 ; j++)
    {
	if (line5.charAt (j) == 'A' && anum == 1)
	{
	    out.println ("A");

	}
	if (line5.charAt (j) == 'B' && bnum == 1)
	{
	    out.println ("B");

	}
	if (line5.charAt (j) == 'C' && cnum == 1)
	{
	    out.println ("C");

	}
	if (line5.charAt (j) == 'D' && dnum == 1)
	{
	    out.println ("D");

	}
	if (line5.charAt (j) == 'E' && eenum == 1)
	{
	    out.println ("E");

	}
	if (line5.charAt (j) == 'F' && fnum == 1)
	{
	    out.println ("F");

	}
	if (line5.charAt (j) == 'G' && gnum == 1)
	{
	    out.println ("G");

	}
	if (line5.charAt (j) == 'H' && hnum == 1)
	{
	    out.println ("H");

	}
	if (line5.charAt (j) == 'I' && inum == 1)
	{
	    out.println ("I");

	}
	if (line5.charAt (j) == 'J' && jnum == 1)
	{
	    out.println ("J");

	}
	if (line5.charAt (j) == 'K' && knum == 1)
	{
	    out.println ("K");

	}
	if (line5.charAt (j) == 'L' && lnum == 1)
	{
	    out.println ("A");

	}
	if (line5.charAt (j) == 'M' && mnum == 1)
	{
	    out.println ("M");

	}
	if (line5.charAt (j) == 'N' && nnum == 1)
	{
	    out.println ("N");

	}
	if (line5.charAt (j) == 'O' && onum == 1)
	{
	    out.println ("O");

	}
	if (line5.charAt (j) == 'P' && pnum == 1)
	{
	    out.println ("P");

	}
	if (line5.charAt (j) == 'Q' && qnum == 1)
	{
	    out.println ("Q");

	}
	if (line5.charAt (j) == 'R' && rnum == 1)
	{
	    out.println ("R");

	}
	if (line5.charAt (j) == 'S' && snum == 1)
	{
	    out.println ("S");

	}
	if (line5.charAt (j) == 'T' && tnum == 1)
	{
	    out.println ("T");

	}
	if (line5.charAt (j) == 'U' && unum == 1)
	{
	    out.println ("U");

	}
	if (line5.charAt (j) == 'V' && vnum == 1)
	{
	    out.println ("V");

	}
	if (line5.charAt (j) == 'W' && wnum == 1)
	{
	    out.println ("W");

	}
	if (line5.charAt (j) == 'X' && xnum == 1)
	{
	    out.println ("X");

	}
	if (line5.charAt (j) == 'Y' && ynum == 1)
	{
	    out.println ("Y");

	}
	if (line5.charAt (j) == 'Z' && znum == 1)
	{
	    out.println ("Z");

	}
    }


    in.close ();
    out.close ();
    System.exit (0);
}
}