#include <iostream>
using namespace std;

int main() {
    int x, y;
    cin >> x >> y;
    
    //check for chessboard coordinates (1to8)
    if(x < 1|| x > 8 || y < 1 || y > 8 ) {
        cout << "Invalid Input";
    }
    else
    {
        if((x+y) % 2 == 0)
        cout << "Black";
        else
        cout << "White";
    }
    return 0;
}