#include <iostream>
using namespace std;

void out(int n) {
    if (n == 0) {
        cout << "ham";
        return;
    } else if (n == 1) {
        cout << "hamu";
        return;
    }
    out(n >> 1);
    if (n % 2 == 0) {
        cout << "ham";
    } else {
        cout << "hamu";
    }
}

int main() {
    string n;
    cin >> n;

    int p = 0, num = 0;
    while (p < n.size()) {
        if (p + 3 >= n.size() || n[p + 3] == 'h') {
            num <<= 1;
            num += 0;
            p += 3;
        } else {
            num <<= 1;
            num += 1;
            p += 4;
        }
    }
    num *= 2;

    out(num);
    cout << endl;

    return 0;
}