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


long long nCr(long long n, long long k) {
	if(k > n) return 0;
	if(k > n / 2) k = n - k;
	if(k == 0) return 1;
	long long r = 1;
	for(int j = 1; j <= k; j ++) {
		if(r * 1. * (n - k + j) > 2e18)
			return (long long)1e18;
		r *= n - k + j;
		r /= j;
	}
	return min(r, (long long)1e18);
}

long long nHr(int n, int r) { return r == 0 ? 1 : nCr(n+r-1, r); }

int main() {
	int Q;
	while(cin >> Q) {
		for(int i=0;i<Q;i++){
			int D, X;
			long long T;
			cin >> D >> X >> T;
			long long sum = nHr(X+1, D-1);
			bool ans = sum <= T;
			puts(ans ? "AC" : "ZETUBOU");
		}
	}
	return 0;
}