#include <bits/stdc++.h>
using namespace std;

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);

    int n; cin >> n;
    vector<bool> is_prime(n+1, true);
    vector<bool> can_win(n+1, false);

    is_prime[0] = false;
    is_prime[1] = false;
    for (int i = 2; i < int(pow(n, 0.5))+1; i++) {
        if (is_prime[i]) {
            int j = i + i;
            while (j <= n) {
                is_prime[j] = false;
                j += i;
            }
        }
    }
    for (int i = 2; i < n+1; i++) {
        for (int j = 2; j < n+1; j++) {
            if (i-j >= 2 && is_prime[j] && !can_win[i-j]) {
                can_win[i] = true;
                break;
            }
        }
    }
    string res = (can_win[n]) ? "Win" : "Lose";
    cout << res << endl;
}