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() {
		for(int q = sc.nextInt(); q > 0; q--) {
			int d = sc.nextInt();
			int x = sc.nextInt();
			long t = sc.nextLong();

			int n, r;
			if(d > x) {
				// x+d-1Cx
				n = (x+d-1);
				r = n - x;
			} else {
				// x+d-1Cd-1
				n = (x+d-1);
				r = n - (d-1);
			}

			// System.out.println("N:" + n + "R:" + r);
			double tn = 1.;
			boolean flag = true;
			for(int i = r; i > 0 && flag; i--) {
				tn *= n - (r - i);
				tn /= i;
				flag = (int)tn <= 10000000000000000d;
				flag = (int)tn <= t;
				// System.out.println("TN:" + tn + " " + (n - (r - i)));
			}

			System.out.println(flag ? "AC" : "ZETUBOU");
		}
	}
}