import sys
input = sys.stdin.readline

N=3500

Combi=[[] for i in range(N+1)]
Combi[0]=[1,0]

for i in range(1,N+1):
    Combi[i].append(1)
    for j in range(i):
        Combi[i].append(min(1<<63,Combi[i-1][j]+Combi[i-1][j+1]))
    Combi[i].append(0)

T=int(input())
for tests in range(T):
    d,x,t=map(int,input().split())

    ans=Combi[x+d-1][d-1]

    if ans<=t:
        print("AC")
    else:
        print("ZETUBOU")