#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define rep(i, n) for(ll i = 0, i##_len = (n); i < i##_len; i++)
#define reps(i, s, n) for(ll i = (s), i##_len = (n); i < i##_len; i++)
#define rrep(i, n) for(ll i = (n) - 1; i >= 0; i--)
#define rreps(i, e, n) for(ll i = (n) - 1; i >= (e); i--)
#define all(x) (x).begin(), (x).end()
#define sz(x) ((ll)(x).size())
#define len(x) ((ll)(x).length())

int main() {
    cin.tie(0);
    ios::sync_with_stdio(false);
    // ifstream in("input.txt");
    // cin.rdbuf(in.rdbuf());
    string s;
    cin >> s;
    string tmp = "";
    vector<ll> v;
    rep(i, len(s)) {
        if (tmp == "ham") {
            if (s[i] == 'u') {
                v.push_back(1);
                tmp = "";
            }
            else {
                v.push_back(0);
                tmp = s[i];
            }
        }
        else {
            tmp += s[i];
        }
    }
    if (tmp == "ham") v.push_back(0);
    ll raw = 0;
    reverse(all(v));
    rep(i, sz(v)) {
        if (v[i] == 1) raw += 1 << i;
    }
    ll wet = raw * 2;
    vector<ll> wv;
    while(wet > 0) {
        wv.push_back(wet % 2);
        wet /= 2;
    }
    reverse(all(wv));
    string ans = "";
    rep(i, sz(wv)) ans += ((wv[i] == 1) ? "hamu" : "ham");
    if (ans == "") ans = "ham";
    cout << ans << endl;
    return 0;
}