#include<iostream>
#include<algorithm>
#include<string>
#include<cmath>
#include<vector>
#include<map>
#include<bitset>
#include<set>
#include<stack>
#include<queue>
#include<list>
typedef long long ll;
using namespace std;

/*
time:
wa:
反省:
考察・解説:
*/
int main(){
   int n; cin >> n;
   if(n % 2 == 0) cout << "White" << endl;
   else cout << "Black" << endl;
   return 0;
}
#include <bits/stdc++.h>
using namespace std;
 
int main() {
  int N;
   cin >> N;
  int number=0;
   if ( N==3 ) cout << 6 << " " << 10 << " " << 15;
  else {
   for ( int i=1; i<=10000; i++ ) {
     if ( i%6==0 || i%10==0 || i%15==0 ) {
       cout << i << " "; number++;
         }
     if ( number == N ) break;
   }
  }
  
}