#include <bits/stdc++.h>
#define pb push_back
#define ll long long
#define ts to_string
#define mp make_pair
#define all(x) (x).begin(), (x).end()
#define dbg(a); cerr<<#a<<"="<<(a)<<endl;
#define dbg2(a,b); cerr<<#a<<"="<<(a)<<", "<<#b<<"="<<(b)<<endl;
#define dbgarr(a); for(auto elem:a)cerr<<elem<<" ";cerr<<endl;
#define panic(); cerr<<"code executes until here fine"<<endl;
#define out(a); cout<<a<<endl
using namespace std;
int main()
{
	int x;cin>>x;
	if(x<0) {
		cout<<0<<endl;
	}
	else {
		out(x);
	}
}

#include <iostream>
#include <iomanip>
#include <vector>
#include <string>
#include <cmath>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std;

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

}
