memo = {}
def f(n,k):
    if k>n or k<0:
        return 0
    if k==n or k==0:
        return 1
    if (n,k) in memo:
        return memo[(n,k)]
    memo[(n,k)] = f(n-1,k-1)+f(n-1,k)
    return memo[(n,k)]
Q = int(input())
for _ in range(Q):
    D,X,T = map(int,input().split())
    if f(X+D-1,D-1)<=T:
        print("AC")
    else:
        print("ZETUBOU")