using System;

public class Hello
{
    public static void Main()
    {
        var s = Console.ReadLine().Trim();
        s = s.Replace("hamu", "1");
        s = s.Replace("ham", "0");
        var a = Convert.ToInt32(s, 2) * 2;
        var s2 = Convert.ToString(a, 2);
        s2 = s2.Replace("1", "hamu");
        s2 = s2.Replace("0", "ham");
        Console.WriteLine(s2);
    }
}