Q = int(input())
for i in range(Q):
    d, x, t = map(int, input().split())

    if t == 0:
        print('ZETUBOU')
        continue

    sub = 1
    for i in range(1, d):
        sub = (sub*(x + i))//i

        if sub > t:
            print('ZETUBOU')
            break
    else:
        print('AC')
    continue