#include <iostream>
#include <vector>

using namespace std;

void prime(int n);
bool dfs(int i, bool player);

vector<int> prime_num;
int win[10100];

int main()
{
  int N;
  bool player = 1;
  cin >> N;
  cout << endl;
  prime(N);
  cout << (dfs(N, player) ? "win" : "Lose") << endl;
  return 0;
}

bool dfs(int i, bool player)
{
  bool win;
  if(i==0 || i==1) return !player;
  if(player == 1){
    for(int j=0; i-prime_num[j]>0; ++j){
      if(dfs(i-prime_num[j], !player)){
        win = 1;
        break;
      }
    }
  }
  else{
    win = 1;
    for(int j=0; i-prime_num[j]>0; ++j){
      if(dfs(i-prime_num[j], !player) == 0){
        win = 0;
        break;
      }
    }
  }
  return(win);
}


void prime(int n)
{
  bool is_prime[n+1];
  for (int i=0; i<n+1; ++i) is_prime[i] = true;
  is_prime[0] = is_prime[1] = false;
  for(int i=2; i<=n; ++i){
    if(is_prime[i]){
      for(int j=2*i; j<=n; j+=i) is_prime[j] = false;
    }
  }
  for(int i=0; i<=n; ++i){
    if(is_prime[i]) prime_num.push_back(i);
  }
}