require 'prime'
N = gets.to_i
p = Prime.each(N).to_a
dp = Array.new(N + 1, true)
2.upto(N) do |i|
  dp[i] = p.take_while {|q| q <= i}.any? {|q| not dp[i - q]}
end
ans = if dp[N]
        "Win"
      else
        "Lose"
      end
puts ans