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

const string msg[] = { "Lose", "Win" };

int dfs( const vector< int > &np, vector< int > &dp, int u ){
  if( ~dp[ u ] )
    return dp[ u ];
  for( int i = 2; i <= u; ++i )
    if( not np[ i ] )
      if( not dfs( np, dp, u - i ) )
        return dp[ u ] = 1;
  return dp[ u ] = 0;
}

signed main(){
  int N; cin >> N;
  vector< int > np( N + 1 );
  for( int i = 2; i <= N; ++i )
    if( not np[ i ] )
      for( int j = i + i; j <= N; j += i )
        np[ j ] = 1;
  vector< int > dp( N + 1, -1 );
  dp[ 0 ] = dp[ 1 ] = 0; 
  cout << msg[ dfs( np, dp, N ) ] << endl;
  return 0;
}