#include <iostream>
#include <algorithm>
using namespace std;

int main(){
	string n ,s = "", ans = "";
	cin >> n;
	for(int i = 0; i < n.size() - 3; i += 3){
		s += n[i + 3] == 'u' ? '1' : '0';
		if(n[i + 3] == 'u') i++;
	}
	int num = 2 * stoi(s, nullptr, 2);
	s = "";
	while(num){
		s += num & 1 ? '1' : '0';
		num >>= 1;
	}
	reverse(s.begin(), s.end());
	for(int i = 0; i < s.size(); i++) ans += s[i] == '1' ? "hamu" : "ham";
	cout << ans << endl;
}