# coding: utf-8
#yuki_250

fact=[1 for i in xrange(3000)]
for i in xrange(1,3000):
 fact[i]=i*fact[i-1]
 
q=int(raw_input())
res=[]
for i in xrange(q):
 d,x,t=map(int,raw_input().split())
 n=d+x-1
 if n/2>x:
  r=x
 else:
  r=n-x
 if fact[n]/fact[r]/fact[n-r]<=t:
  res.append("AC")
 else:
  res.append("ZETUBOU")
  
for i in xrange(q):
 print res[i]