#include <cstdint>
#include <iostream>
#include <vector>

using namespace std;

int N;

void input(istream& in)
{
	in >> N;
}

vector<int> Primes;

void make_primes(int n)
{
	Primes.reserve(n / 2);
	vector<bool> visited(n + 1);
	for (int i = 2; i <= n; i++) {
		if (!visited[i]) {
			Primes.push_back(i);
			for (int j = i * 2; j <= n; j += i) {
				visited[j] = true;
			}
		}
	}
}

vector<int> dp;

const char *resolve()
{
	make_primes(N);
	dp.resize(N + 1);
	dp[0] = 1;
	dp[1] = 1;
	for (int i = 2; i <= N; i++) {
		for (int prime : Primes) {
			if (prime > i) {
				break;
			}
			if (dp[i - prime] == 0) {
				dp[i] = 1;
				break;
			}
		}
	}
	return dp[N] ? "Win" : "Lose";
}

int main(int argc, char **argv)
{
	input(cin);
	cout << resolve() << endl;
	return 0;
}