package no423;

import java.util.Scanner;

public class Main {

	//遠回りした
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		System.out.println(encode(2 * decode(sc.next())));
	}
	
	public static long decode(String s) {
		return Long.parseLong(s.replaceAll("hamu", "1").replaceAll("ham", "0"), 2);
	}
	
	public static String encode(long x) {
		return Long.toBinaryString(x).replaceAll("0", "ham").replaceAll("1", "hamu");
	}

}