import java.util.Scanner;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;

class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String n = in.next();

        if(n.length() > 3) {
            System.out.println(n+"ham");
        } else {
            System.out.println("ham");
        }

        in.close();
    }
}