require 'prime'
n = gets.to_i
a = Array.new(n+1, false)
a[4] = true
for i in 2..n
    for j in Prime.each(i)
        if not a[i - j] and i - j != 0 and i - j != 1
            a[i] = true
            break
        end
    end
end
puts (a[n])? "Win" : "Lose"