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

#define int long long
#define rep(i,l,r) for(int i=(int)(l);i<(int)(r);i++)
#define all(x) (x).begin(),(x).end()
#define pb push_back
template<class T>bool chmax(T &a,T b){if(a<b){a=b;return 1;}return 0;}
template<class T>bool chmin(T &a,T b){if(a>b){a=b;return 1;}return 0;}

typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<vi> vvi;

const int inf = 1LL<<60;
const int mod = 1e9 + 7;
const double eps = 1e-9;

/*{
}*/

signed main()
{
  int Q;
  cin >> Q;
  while(Q--){
    int d, x, t;
    cin >> d >> x >> t;
    int s = 1;
    rep(i, 1, d){
      s = s*(x+i)/i;
      if(s > t) break;
    }
    cout << (s <= t ? "AC" : "ZETUBOU") << endl;
  }

  return 0;
}