import java.io.*;
import java.util.*;

class prob2
{
public static void main (String [] args) throws IOException 
{
   
     BufferedReader f = new BufferedReader(new FileReader("DATA2.txt"));
     PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter("OUT2.txt")));
       
  for(int i=0; i<5; i++)
  {
   String input = f.readLine();
   String[] sp = input.split("[^A-Za-z]");
   System.out.println(Arrays.toString(sp));
   
   int c = 0;
   for (int j=0; j<sp.length; j++)
    if (sp[j].length()>3) c++;
    
   out.println(c);
  }
  
  out.close();
  System.exit(0);
}


}