integer function combination(N,R,T)
  integer*8::i,j
  integer*8,intent(in)::N,R,T
  integer*8::res

  res = 1
  j = N

  do i=1, R
     res = (res*j)/i
     j   = j - 1
     if(res.gt.T) then
        combination = 0
        return
     end if
  end do
  combination = 1
end function combination

program main
  interface
     integer function combination(N, R, T)
       integer*8,intent(in)::N,R,T
     end function combination
  end interface
  type problem
     integer*8::D,X,T
  end type problem
  integer*8::Q,i,j,k,tmp
  integer*8::qd,qx,qt,qr
  type(problem)::P(10**4)
  integer*8::D,T

  read *, Q
  read *, P(1:Q)

  do i=1,Q
     qd = P(i)%D
     qx = P(i)%X
     qt = P(i)%T
     qr = MIN(qx, qd-1)
     if(combination(qd+qx-1,qr, qt).eq.0) then
        print '(a)', "ZETUBOU"
     else
        print '(a)', "AC"
     end if
  end do

end program main