import java.util.*;

public class Main {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    int n = sc.nextInt();
    int[] dp = new int[n + 1];
    ArrayList<Integer> prime = new ArrayList<Integer>();
    boolean[] is_prime = new boolean[n - 1];
    for(int i = 0; i <= n - 2; i++) is_prime[i] = true;
    is_prime[0] = false;
    if(n > 2) is_prime[1] = false;
    for(int i = 2; i <= n - 2; i++) {
      if(is_prime[i]) {
        prime.add(i);
        for(int j = 2 * i; j <= n - 2; j += i) is_prime[j] = false;
      }
    }
    for(int i = 0; i < prime.size(); i++) {
      int p = prime.get(i);
      if(p < i - 1) {
        if(dp[i - p] == 0) dp[i] = 1;
      }
    }
    String ans = "Win";
    if(dp[n] == 0) ans = "Lose";
    System.out.println(ans);
  }
}