import java.io.*;
import java.util.*;
//(-_(-_(-_(-_(-_(-_(-_(-_(-_-)_-)_-)_-)_-)_-)_-)_-)_-)_-)
public class ProblemGN002 {

	/**
	 * @param args
	 */
	public static void main(String[] args)throws IOException {
		Scanner in = new Scanner (new File ("Data2.txt"));
		PrintWriter p = new PrintWriter ("Out2.txt");
		String line;
		int numSq;
		int numRc;
		for(int i = 0; i < 5; i++)
		{
			line = in.next();
			numSq = Integer.parseInt(line);
			numRc = (int) (numSq - 1 + Math.round((double)numSq / 2.0));
			p.println(numRc);
		}
		p.close();
		in.close();
	}
}