#include <iostream>

using namespace std;

int main()
{
    int n;
    cin >> n;
    if(n%2 == 0) {
        cout << "White" << endl;
    } else {
        cout << "Black" << endl;
    }
    return 0;
}
#include <iostream>
#include <string>
#include <algorithm>
#include <deque>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main(void){
    int n;
    cin >> n;
    cout << (n-1)/100+1 << endl;
}