#include <bits/stdc++.h>
//#include<atcoder/all>
//using namespace atcoder;
using namespace std;
using ll = long long;
#define all(A) A.begin(),A.end()
using vll = vector<ll>;
#define rep(i, n) for (long long i = 0; i < (long long)(n); i++)

int main() {
	string S;
	cin>>S;
	ll N=0;
	reverse(all(S));
	ll k=2;
	rep(i,S.size()){
		if(S[i]=='u'){
			N+=k;
			i+=3;
		}
		else{
			i+=2;
		}
		k*=2;
	}
	//cout<<N<<endl;
	vector<string> AN;
	if(N==0){
		cout<<"ham"<<endl;return 0;
	}
	while(N>0){
		if(N%2==0){
			AN.push_back("ham");
		}else{
			AN.push_back("hamu");
		}
		N/=2;
	}

	reverse(all(AN));
	rep(i,AN.size()){
		cout<<AN[i];
	}
	cout<<endl;
}