package No400番台;

import java.util.Scanner;

public class A {
	public static void main(String[] args) {
		new A().run();
	}

	void run() {
		solver();
	}

	void solver() {
		Scanner sc = new Scanner(System.in);
		String s = sc.next();
		s += "ham";
		System.out.println(s);
	}
}