def check(a,x,t): #aCx <= T ?
    if x >= (a+1)//2: x = a-x
    r = 1
    for i in range(1,x+1):
        r *= a-i+1
        r //= i
        if r > t: return 0
    return r <= t

q = int(input())
for _ in range(q):
    d,x,t = map(int,input().split())
    a = d+x-1
    print("AC" if check(a,x,t) else "ZETUBOU")