from math import factorial
def combination(m,n):
    return factorial(m)//(factorial(m-n)*factorial(n))

Q = int(input())
for n in range(Q):
    D, X, T = list(map(int, input().split()))
    if combination(X+D-1, D-1) > T:
        print("ZETUBOU")
    else:
        print("AC")