#include <iostream>
#include <cstdio>
#include <vector>
#include <algorithm>
#include <utility>
#include <set>

using namespace std;

int main() {
	int n;
	cin >> n;

	vector<bool> is_prime(n + 1, true);
	is_prime[0] = is_prime[1] = false;
	vector<int> primes;

	for (int i = 2; i * i <= n; i++) {
		if (is_prime[i]) {
			for (int j = i * i; j <= n; j += i) {
				is_prime[j] = false;
			}
		}
	}
	for (int i = 2; i <= n; i++) {
		if (is_prime[i]) {
			primes.push_back(i);
		}
	}

	set<int> lose;

	for (int i = 2; i <= n; i++) {
		bool win = false;
		for (int j = 0;  j < primes.size() && primes[j] <= i; j++) {
			if (lose.count(i - primes[j]) > 0) {
				win = true;
				break;
			}
		}
		if (!win) {
			lose.insert(i);
			// printf("insert %d\n", i);
		}
	}

	cout << (lose.count(n) > 0 ? "Lose" : "Win") << endl;

	return 0;
}