using System;
using System.Collections.Generic;
using System.Linq;

public class yukicoder
{
    public static int hamtodecimal(string s)
    {
        string[] ham = s.Split(new String[]{"ha"}, StringSplitOptions.RemoveEmptyEntries);
        
        for(int i = 0; i < ham.Length; i++)
        {
            if(ham[i] == "mu")
            {
                ham[i] = "1";
            }
            else if(ham[i] == "m")
            {
                ham[i] = "0";
            }
        }
        
        return Convert.ToInt32(String.Join(null, ham), 2);
    
    }
    
    public static string decimaltoham(int n)
    {
        string s = Convert.ToString(n, 2);
        List<String> ham = new List<String>();
        
        foreach(char c in s)
        {
            if(c == '1')
            {
                ham.Add("hamu");
            }
            else if(c == '0')
            {
                ham.Add("ham");
            }
        }
        
        return String.Join(null, ham);
    }
    
    public static void Main()
    {
        int n = hamtodecimal(Console.ReadLine()) * 2;
        Console.WriteLine(decimaltoham(n));
    }
}