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

namespace tes
{
	class contest
	{
		static void Main(string[] args)
		{
			
             var s = Console.ReadLine();

            var dic = new Dictionary<string, int>();
            dic["ham"] = 0;
            dic["hamu"] = 1;


            int num = 0;
            var list = new List<int>();

            for(int i =s.Length-1; i>=0; )
            {
                string tmp = "";
                if(s[i] == 'u')
                {
                    tmp = s.Substring(i-3, 4);
                    list.Add(dic[tmp]);
                    i -= 4;
                }
                else
                {
                    tmp = s.Substring(i - 2, 3);
                    list.Add(dic[tmp]);
                    i -= 3;
                }
            }

            list.Reverse();

            num = int.Parse(list.Select(x=>x.ToString()).Aggregate((a,b)=>a+b));

            int memo = 0;
            for (int i = 0; i < num.ToString().Length; i++)
            {
                int t = (int)Math.Pow(2, i);
                memo += int.Parse(num.ToString().Substring(i,1))*t;
            }

            memo <<= 1;

            var ans = new List<string>();

            string d = Convert.ToString(memo,2);

            for (int i = 0; i <d.Length; i++)
            {
                if (((memo >> i) & 1) == 1)
                {
                    ans.Add("hamu");
                }
                else
                {
                    ans.Add("ham");
                }
            }


            ans.Reverse();

            
            ans.ForEach(Console.Write);
			
            
		}		
		 
	}
}