#include <bits/stdc++.h>
using namespace std;
#define rep(i,n) for(int i=0;i<n;i++)
int main() {
    int N;
    cin >> N;
    if(N%2==1)cout<<"Black"<<endl;
    else cout<<"White"<<endl;
}
#include <stdio.h>

#include <algorithm>
#include <deque>
#include <functional>
#include <iomanip>
#include <iostream>
#include <map>
#include <queue>
#include <set>
#include <string>
#include <utility>
#include <vector>

using namespace std;
typedef long long ll;
typedef unsigned long long ull;

void AHeavyRotation(std::istream& in, std::ostream& out) {
  int n;
  in >> n;
  out << ((n % 2 == 0) ? "White" : "Black") << endl;
}

int main(int argc, char** argv) { AHeavyRotation(cin, cout); return 0; }
