#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
  int N;
  cin >> N;
  if(N%2==0) cout << "White" << endl;
  else cout << "Black" << endl;
}
#include <iostream>
using namespace std;
int main(){

	#ifndef ONLINE_JUDGE
        freopen("input.txt","r",stdin);
        freopen("output.txt","w",stdout);
    #endif

    int n;
    cin>>n;
    if(n%2==0){
    	cout<<"White"<<endl;
    }
    else{
    	cout<<"Black"<<endl;
    }
}