#include <iostream>
#include <algorithm>
#include <cmath>
#include <vector>
#include <complex>
#include <queue>
#include <deque>
#include <set>
#include <map>
#include <unordered_set>
#include <unordered_map>
#include <iomanip>
#include <assert.h>
#include <array>
#include <cstdio>
#include <cstring>
#include <random>
#include <functional>
#include <numeric>
#include <bitset>

using namespace std;

#define REP(i,a,b) for(int i=a;i<(int)b;i++)
#define rep(i,n) REP(i,0,n)
#define all(c) (c).begin(), (c).end()
#define zero(a) memset(a, 0, sizeof a)
#define minus(a) memset(a, -1, sizeof a)
#define minimize(a, x) a = std::min(a, x)
#define maximize(a, x) a = std::max(a, x)

using ll  = long long;
ll constexpr inf = std::numeric_limits<ll>::max() / 2 - 1;

ll comb[3001][3001];
void make_comb(int n) {
  rep(i, n+1) {
    comb[i][0] = 1;
    REP(j, 1, i+1) {
      if(comb[i-1][j-1] == -1 || comb[i-1][j] == -1) {
        comb[i][j] = -1;
      }
      else if(comb[i-1][j-1] > inf || comb[i-1][j] > inf) {
        comb[i][j] = -1;
      }
      else {
        comb[i][j] = comb[i-1][j-1] + comb[i-1][j];
      }
//      comb[i][j] %= MOD;
    }
  }
}

int main() {

  make_comb(3000);

  int Q; cin >> Q;
  rep(_, Q) {
    int D, X; ll T;
    cin >> D >> X >> T;
    auto c = comb[X+D-1][D-1];
    if(c < 0) { cout << "ZETUBOU\n"; }
    else {
      cout << (T >= c ? "AC" : "ZETUBOU") << endl;
    }
  }

  return 0;
}