#![allow(
    non_snake_case,
    unused_variables,
    unused_assignments,
    unused_mut,
    unused_imports,
    unused_macros,
    dead_code
)]
use proconio::{input, marker::*};
use std::cmp::*;
use std::collections::*;

macro_rules! debug {
  ($($a:expr),* $(,)*) => {
      #[cfg(debug_assertions)]
      eprintln!(concat!($("| ", stringify!($a), "={:?} "),*, "|"), $(&$a),*);
  };
}

fn main() {
    input! {
        N:usize, C:[[String;4];N]
    }
    let mut g = vec![vec![]; N];
    for i in 0..N {
        for j in 0..4 {
            if C[i][j] == "H".to_string() {
                continue;
            }
            let Ok(x) = C[i][j].parse::<usize>() else {
                panic!();
            };
            g[i].push(x - 1);
        }
    }
    // 0を根とする。
    let mut name = VecDeque::new();
    dfs(&g, 0, 0, &mut name);
    name.pop_front();
    name.pop_back();
    name.pop_back();
    name.pop_back();
    name.push_back('a');
    name.push_back('n');
    name.push_back('e');
    for &c in name.iter() {
        print!("{c}");
    }
    println!("");
}
fn dfs(g: &Vec<Vec<usize>>, u: usize, p: usize, name: &mut VecDeque<char>) {
    name.push_back('(');
    for &v in g[u].iter() {
        if v == p {
            continue;
        }
        dfs(g, v, u, name);
    }
    name.push_back('m');
    name.push_back('e');
    name.push_back('t');
    name.push_back('h');
    name.push_back('y');
    name.push_back('l');
    name.push_back(')');
}