tle = "ZETUBOU"
AC = "AC"

def comb(n, r):
    ue = 1
    sita = 1
    for i in range(r):
        ue *= n
        n -= 1
    for i in range(1, r + 1):
        sita *= i
    return ue // sita

Q = int(input())
for case in range(Q):
    D, X, T = map(int, input().split())
    if comb(X + D - 1, min(X, D - 1)) > T:
        print(tle)
    else:
        print(AC)