#include<iostream>
#include<cmath>

int main() {
	int query_num;
	std::cin >> query_num;

	for (int i = 0; i < query_num; i++) {
		long long loop, value, limit;
		std::cin >> loop >> value >> limit;
		if (pow(value + 1, loop - 1) > limit) {
			std::cout << "ZETUBOU" << std::endl;
		} else {
			std::cout << "AC" << std::endl;
		}
	}
	return 0;
}