import java.io.PrintStream;
import java.util.Scanner;


public class Y423 {
	Y423() throws Exception {
		Scanner in = new Scanner(System.in);
		PrintStream out = new PrintStream(System.out);
		
		String s = in.next();
		out.println(s + "ham");

	}

	public static void main(String argv[]) throws Exception {
		new Y423();
	}
}