import math
N = int(raw_input())
primes = []
nums = range(2,N+1)
while nums:
	num = nums.pop(0)
	primes.append(num)
	if num > math.sqrt(N):
		primes += nums
		break
	else:
		nums = filter(lambda x:x%num!=0, nums)

game = [True, True]+[False for _ in range(N-1)]
for i in range(2,N+1):
	for j in filter(lambda x:x<i+1,primes):
		if game[i-j] == False: game[i]=True

print "Win" if game[-1] else "Lose"