#include <bits/stdc++.h>
using namespace std;
long long N, x, y, dis_white, dis_black;
long long read() {
  long long X = 0, w = 1;
  char ch = 0;
  while (ch < '0' || ch > '9') {
    if (ch == '-') w = -1;
    ch = getchar();
  }
  while (ch >= '0' && ch <= '9') {
    X = (X << 1) + (X << 3) + ch - '0';
    ch = getchar();
  }
  return X * w;
}
int main() {
  N = read();
  x = read();
  y = read();
  dis_white = min(x - 1, y - 1) + max(x - 1, y - 1) - min(x - 1, y - 1);
  dis_black = min(N - x, N - y) + max(N - x, N - y) - min(N - x, N - y);
  if (dis_white <= dis_black)
    printf("White\n");
  else
    printf("Black\n");
  return 0;
}
