#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;

#define EPS 1.0e-15
#define ZEROP(x) (abs(x)<EPS)
#define EQ(x,y) ZEROP((x)-(y))
#define LT(x,y) ((x)+EPS<(y))

int main(){
  int Q;
  ll D, X, T;

  cin >> Q;
  rep(i,Q){
    cin >> D >> X >> T;
    double a = 0, b = log((double)T);
    ll aa = X+1;
    rep(j,D-1){
      a += log((double)aa);
      aa++;
    }
    ll bb = 2;
    rep(j,D-2){
      a -= log((double)bb);
      bb++;
    }
    if(LT(b,a)) cout << "ZETUBOU" << endl;
    else cout << "AC" << endl;
  }
  
  return 0;
}