#include "bits/stdc++.h"
using namespace std;
#define ll long long int
#define rep(i,n) for( int i = 0; i < n; i++ )
#define rrep(i,n) for( int i = n; i >= 0; i-- )
#define REP(i,s,t) for( int i = s; i <= t; i++ )
#define RREP(i,s,t) for( int i = s; i >= t; i-- )
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define INF 2000000000
#define mod 1000000007
#define INF2 1000000000000000000
#define int long long int


signed main(void)
{
    cin.tie(0);
    ios::sync_with_stdio(false);
	int N; cin >> N;

	rep(i, N) {
		int D, X, T;
		cin >> D >> X >> T;
		int cnt = 1;
		REP(i, 1, D - 1) {
			cnt = cnt * (X + i) / i;
			if (cnt > T) {
				break;
			}
			// dump(cnt);
		}
		if (cnt <= T) {
			cout << "AC" << endl;
		}
		else {
			cout << "ZETUBOU" << endl;
		}
	}

    return 0;
}