import math

def count(D, X):
    if D == 1:
        return 1
    return math.factorial(X + D - 1)//math.factorial(D - 1)//math.factorial(X)

Q = int(input())
for q in range(Q):
    D, X, T = map(int, input().split())
    if count(D, X) <= T:
        print('AC')
    else:
        print('ZETUBOU')