#include <iostream>
#include <vector>

int main() {
    using namespace std;
    int n;
    cin >> n;

    vector<bool> is_prime(n + 1, true);
    for (int i = 2; i <= n / i; i++) {
        if (!is_prime[i]) { continue; }
        for (int j = i * i; j <= n; j += i) { is_prime[j] = false; }
    }
    vector<int> primes;
    for (int i = 2; i <= n; i++) {
        if (is_prime[i]) { primes.push_back(i); }
    }
    vector<bool> win(n + 1, false);
    for (int i = 2; i <= n; i++) {
        for (int p : primes) {
            if (i < p) { break; }
            if (i - p > 1 && !win[i - p]) {
                win[i] = true;
                break;
            }
        }
    }

    cout << (win[n] ? "Win\n" : "Lose\n");
}