#include <cstdint>
#include <iostream>
#include <ranges>
#include <vector>
#include <string>
#include <array>

void solve() {
    int n; std::cin >> n;

    std::vector<std::vector<int>> tree(n);

    for(const int i : std::views::iota(0, n)) {
        for([[maybe_unused]] const int _ : std::views::iota(0, 4)) {
            std::string c; std::cin >> c;
            if(c == "H") continue;
            tree[i].emplace_back(std::stoi(c) - 1);
        }
    }

    std::string ans;

    auto dfs = [&](auto&& dfs, int v, int p) -> void {
        for(const int nv : tree[v]) {
            if(nv < 0 || nv == p) continue;

            ans += "(";

            dfs(dfs, nv, v);

            ans += "yl)";
        }

        ans += "meth";
    };

    dfs(dfs, n - 1, -1);

    std::cout << ans + "ane\n";
}

int main() {
    solve();
    return 0;
}

__attribute__((constructor)) inline void fast_io() { std::ios::sync_with_stdio(false), std::cin.tie(nullptr); }