import java.util.Arrays;
import java.util.HashSet;
import java.util.LinkedList;
import java.util.Scanner;
import java.util.Set;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		
		final String h = sc.next();
		
		if(h == "ham"){
			System.out.println("ham");
		}else{
			System.out.println(h + "ham");
		}
	}

}