#include <bits/stdc++.h>
#include <vector>
#include <fstream>
#include <string>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define repi(i, a, b) for (int i = (int)(a); i < (int)(b); i++)
#define ll unsigned long long

int main() {
    //入力
    int n;
    cin >> n;

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

    //出力
//    cout << ans << endl;

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