def C(n, r):
    return fact[n] // fact[r] // fact[n-r]

fact = [1]

for i in range(1, 3001):
    fact.append(fact[-1] * i)

Q = int(input())

for _ in range(Q):
    D_i, X_i, T_i = map(int, input().split())
    
    if C(X_i+D_i-1, D_i-1) <= T_i:
        print('AC')
    else:
        print('ZETUBOU')