#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  cout.tie(0);
  long long int n, x, y, x1d, x2d, y1d, y2d, h1, s1, s2, a1, a2, m1 = 0, m2 = 0;
  cin >> n >> y >> x;
  x1d = (x - 1);
  y1d = (y - 1);
  x2d = (n - x);
  y2d = (n - y);
  if (x1d + y1d == 0) {
    cout << "White";
  } else if (x2d + y2d == 0) {
    cout << "Black";
  } else {
    s1 = abs(x1d - y1d);
    s2 = abs(x2d - y2d);
    m1 += (x1d + y1d - s1) / 2;
    m1 += s1;
    m2 += (x2d + y2d - s2) / 2;
    m2 += s2;
    if (m2 >= m1) {
      cout << "White";
    } else {
      cout << "Black";
    }
  }
  return 0;
}
