#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  cin.tie(nullptr)->sync_with_stdio(false);
  constexpr ll INF = 1e18;
  vector C(3001, vector<ll>(3001, 0));
  for (int i = 0; i <= 3000; ++i) {
    for (int j = 0; j <= i; ++j) {
      if (j == 0)
        C[i][j] = 1;
      else
        C[i][j] = min(INF, C[i - 1][j - 1] + C[i - 1][j]);
    }
  }

  int q;
  cin >> q;
  while (q--) {
    ll d, x, t;
    cin >> d >> x >> t;
    cout << (C[x + d - 1][x] > t ? "ZETUBOU" : "AC") << '\n';
  }
  return 0;
}