gets.to_i.times{
    d,x,t = gets.split.map(&:to_i)
    if d == 1
        count = 1
    else
        count = [*1..(x+1)].inject{|sum,n| sum + n ** (d - 1)}
    end
    if count > t
        puts "ZETUBOU"
    else
        puts "AC"
    end
    }