#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
using namespace std;
typedef long long ll;
const int SIZE = 5000;
const ll MAX = ll(1e15);
ll c[SIZE][SIZE];

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

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

	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 || c[x + d - 1][d - 1] == -1) {
			cout << "ZETUBOU" << endl;
		}
		else {
			cout << "AC" << endl;
		}
	}
}