from math import factorial

def solve():
    Q = int(input())

    for q in range(Q):
        d, x, t = map(int, input().split())
        if binom(x + d - 1, d - 1) > t:
            print('ZETUBOU')
        else:
            print('AC')

def binom(n, k):
    return factorial(n) // factorial(k) // factorial(n - k)

if __name__ == '__main__':
    solve()