#include <bits/stdc++.h>

using namespace std;
typedef long long ll;
typedef vector<int> VI;
typedef vector<VI> VVI;
typedef vector<ll> VL;
typedef vector<VL> VVL;
typedef pair<int, int> PII;

#define FOR(i, a, n) for (int i = (int)a; i < (int)n; ++i)
#define REP(i, n) FOR(i, 0, n)
#define ALL(x) x.begin(), x.end()
#define MOD 1000000007
#define INF 1000000000
#define PI 3.14159265359
#define EPS 1e-12

ll dp[2000][2000];

int main(void)
{
  REP(i, 1505) dp[0][i] = 1;
  REP(i, 1505) dp[i][0] = 1;
  FOR(i, 1, 1505) {
    FOR(j, 1, 1505) {
      if(dp[i][j-1] + dp[i-1][j] > 1000000000000000) dp[i][j] = 1000000000000001;
      else dp[i][j] = dp[i][j-1] + dp[i-1][j];
    }
  }

  int q;
  cin >> q;
  REP(i, q) {
    ll d, x, t;
    cin >> d >> x >> t;

    //cout << dp[d-2][x-1] << " ";
    if(dp[d-1][x] > t) cout << "ZETUBOU" << endl;
    else if(dp[d-1][x] <= t) cout << "AC" << endl;
    else assert(false);
  }

  return 0;
}