import java.util.Scanner;

public class Main {
	
	private Scanner sc = new Scanner(System.in);
	
	public static void main(String[] args) {
		Main m = new Main();
		m.main();
	}
	
	public void main() {
		long maxnum = (long)10e15;
		for(int q = sc.nextInt(); q > 0; q--) {
			int d = sc.nextInt();
			int x = sc.nextInt();
			long t = sc.nextLong();
			
			if(d == 1) {
				System.out.println("AC");
				continue;
			}

			int n = (x+d-1);
			int r = n/2 < x ? (n - x) : x;

			// System.out.println("N:" + n + "R:" + r);
			double tn = 1;
			boolean flag = true;
			for(int i = 1; i <= r && flag; i++) {
				tn *= (n - i + 1);
				tn /= (r - i + 1);
				flag = (tn <= maxnum);
				// System.out.println("TN:" + tn);
				// System.out.println("N:" + (n - i + 1) + "R:" + (r - i + 1));
			}

			flag = (tn <= t);
			System.out.println((flag ? "AC" : "ZETUBOU"));
		}
	}
}