n = gets.to_i

primes = []
flag = [true] * (n + 1)
flag[0] = false
flag[1] = false
(n + 1).times do |i|
    if flag[i]
        primes << i
        (i + i).step(n + 1, i) { |j| flag[j] = false }
    end
end

dp = [false] * (n + 1)
dp[0] = true
dp[1] = true
2.upto(n) do |i|
    for j in primes
        break if i < j
        if !dp[i - j]
            dp[i] = true
            break
        end
    end
end

puts dp[n] ? "Win" : "Lose"