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

public class Program
{
	public static void Main()
	{
		var line = Console.ReadLine();
		var sb = new StringBuilder();
		while (!string.IsNullOrEmpty(line))
		{
			int i;
			if (line.StartsWith("hamu"))
			{
				sb.Append(1);
				i = 4;
			}
			else
			{
				sb.Append(0);
				i = 3;
			}
			line = line.Substring(i, line.Length - i);
		}
		var chars = sb.ToString().ToCharArray();
		int num = 0;
		foreach (var ch in chars)
		{
			num += ch - '0';
			num <<= 1;
		}
		var bin = Convert.ToString(num, 2);
		Console.WriteLine(bin.Replace("1", "hamu").Replace("0", "ham"));
	}
}