class Integer
  def combination(k)
    self.factorial/(k.factorial*(self-k).factorial)
  end

  def permutation(k)
    self.factorial/(self-k).factorial
  end

  def factorial
    return 1 if self == 0
    (1..self).inject(:*)
  end
end

class Yukicoder
  def initialize
    q = gets.to_i

    q.times do
      d, x, t = gets.chomp.split.map(&:to_i)

      if (x+d-1).combination(d-1) <= t
        puts "AC"
      else
        puts "ZETUBOU"
      end
    end
  end
end

Yukicoder.new