#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <stack>
#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;

ll gcd(ll a, ll b){return (b==0?a:gcd(b,a%b));}

ll Comb(ll n, ll k){
  if(n-k<k) k = n-k;
  double chk = 0.0;
  rep(i,k){
    chk += log(n-i);
    chk -= log(k-i);
  }
  if(chk / log(10) >= 17) return -1;
  
  ll ret1 = 1, ret2 = 1;
  rep(i,k){
    ll a = n-i;
    ll b = k-i;
    ret1 *= a;
    ret2 *= b;
    ll tmp = gcd(ret1, ret2);
    ret1 /= tmp;
    ret2 /= tmp;
  }
  return ret1/ret2;
}

bool calc(ll D, ll X, ll T){
  ll res = Comb(X+D-1, D-1);
  //cout << X+D-1 << " " << D-1 << " " << res << endl;
  if(res == -1LL) return false;
  return res <= T;
}

int main(){
  int Q;
  cin >> Q;
  rep(i,Q){
    ll D, X, T;
    cin >> D >> X >> T;
    if(calc(D, X, T)) cout << "AC" << endl;
    else cout << "ZETUBOU" << endl;
  }
  
  return 0;
}