import java.util.*;
import java.util.regex.*;
import java.lang.*;
import java.io.*;

class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
	  String linha = "Jõao Ferreira da Silva";
      String pattern = "\\S+";

      Pattern r = Pattern.compile(pattern);
      Matcher m = r.matcher(linha);
      if (m.find( )) {
      	System.out.println(m.group(0) );
      }
	}
}