Q = gets.to_i

memo = Array.new(100010, 0)
1.upto(100010) do |x|
  memo[x] = Math.log(x)
  memo[x] += memo[x - 1]
end

Q.times do
  n, m, k = gets.split.map(&:to_i)

  if memo[n] < memo[n - k + 1] + memo[k] + (k - 1) * Math.log(m)
    puts 'Flush'
  else
    puts 'Straight'
  end
end