require 'prime'
N = gets.to_i

# 0=Lose, 1=Win
dp = Array.new(N+1){ nil }
dp[0], dp[1] = -1, -1 # whileの条件式で邪魔だから値入れとく
dp[2] = 0
dp[3] = 0

primes = Prime.each(N).to_a

result = 1
while dp.include? nil
  froms = []
  dp.each_with_index do | d, i |
    froms << i if d == (result ^ 1)
  end
  primes.each do | p |
    froms.each do | f |
      next if f+p > N
      dp[f+p] = result unless dp[f+p]
    end
  end
  result = result ^ 1 # bit反転
end

case dp[-1]
when 0
  puts 'Lose'
when 1
  puts 'Win'
else
  puts 'Illega'
end