def solve():
    fact = [1]*3001
    s = 1
    for i in range(1, 3001):
        s *= i
        fact[i] = s

    for i in range(int(input())):
        d, x, t = map(int, input().split())
        n = (d + x - 1)
        r = x if (n//2 > x) else (n - x)
        ans = fact[n] // (fact[n - r] * fact[r])
        """
        print(list(str(ans)))
        print(list(str(t)))
        print(n, r, n-r)
        """
        print("AC" if ans <= t else "ZETUBOU")


if __name__=="__main__":
    solve()