#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;
typedef long long ll;
const int MAX = 5000;
const ll MOD = 1LL << 50;
ll c[MAX][MAX];

int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);

	c[0][0] = 1;
	for(int i = 1; i < MAX; i++) {
		for(int j = 0; j < MAX; j++) {
			if(j == 0 || i == j) {
				c[i][j] = 1;
			}
			else {
				c[i][j] = (c[i - 1][j - 1] + c[i - 1][j]) % MOD;
			}
		}
	}

	ll q;
	cin >> q;
	for(int loop = 0; loop < q; loop++) {
		ll d, x, t;
		cin >> d >> x >> t;
		if(c[x + d - 1][d - 1] <= t) {
			cout << "AC" << endl;
		}
		else {
			cout << "ZETUBOU" << endl;
		}
	}
}