N = int(input())

primes = set(range(2, N+1))
for i in range(2, N+1):
  if i not in primes: continue
  for j in range(2*i, N+1):
    primes.discard(j)
primes = sorted(primes)

dp = ["Win"]*2 + ["Lose"]*(N-1)
for i in range(2, N+1):
  for d in primes:
    if i < d: break
    if dp[i-d] == "Lose":
      dp[i] = "Win"
      break

print(dp[N])