#include <bits/stdc++.h>
using namespace std;
#define rep(i,a,b) for(int i=a;i<b;i++)

int main(){
    int N;
    cin >> N;
    if (N%2 == 0){
        cout << "White" << endl;
    }
    else cout << "Black" << endl;
}
#include <bits/stdc++.h>
using namespace std;




int main() {

  int64_t n;
  cin>>n;

  if(n%2==0)
    cout<<"White"<<endl;
  else
    cout<<"Black"<<endl;

  return 0;
}





