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

// --- 初期設定（入出力の高速化と小数15桁出力） ---
struct Init {
  Init() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cout << fixed << setprecision(15);
  }
} init;
// ------------------------------------------------

int main() {
  int A, B, D, R;
  cin >> A >> B >> D >> R;
  ll rabbit, turtle;
  ll W = 1 + (D + R - 1) / R;
  rabbit = A;
  turtle = B * W;

  if (rabbit > turtle) {
    cout << "rabbit" << endl;
  } else if (rabbit < turtle) {
    cout << "turtle" << endl;
  } else {
    ll n = W;
    while (n % 2 == 0) {
      n /= 2;
    }
    while (n % 5 == 0) {
      n /= 5;
    }

    if (n == 1) {
      cout << "tie" << endl;
    } else {
      cout << "rabbit" << endl;
    }
  }

  return 0;
}