#include <bits/stdc++.h>
using namespace std;

int main() {
    int N;
    cin >> N;

    vector<vector<int>> G(N);
    for(int i = 0; i < N; i++) {
        for(int j = 0; j < 4; j++) {
            string S;
            cin >> S;
            if(S == "H") continue;
            int v = stoi(S);
            v--;
            G[i].push_back(v);
        }
    }

    string ans;
    auto rec = [&](auto f, int v, int p=-1) -> void {
        for(int nv : G[v]) {
            if(nv == p) continue;

            ans += "(";
            f(f, nv, v);
            ans += ")";
        }
        ans += "methyl";
    };

    rec(rec, 0);
    ans.pop_back();
    ans.pop_back();
    ans += "ane";

    cout << ans << endl;

    return 0;
}