#include <bits/stdc++.h>
using namespace std;
inline int add(int a, int b) {
  a += b;
  if (a >= 1000000007) a -= 1000000007;
  return a;
}
inline int mul(int a, int b) { return (a * 1ll * b) % 1000000007; }
inline int pow(int a, int b) {
  int rt = 1;
  while (b > 0) {
    if (b & 1) rt = mul(rt, a);
    a = mul(a, a);
    b >>= 1;
  }
  return rt;
}
inline bool sortinrev(const pair<int, int> &a, const pair<int, int> &b) {
  return (a.first > b.first);
}
inline long long int gcd(long long int a, long long int b) {
  if (b == 0) return a;
  return gcd(b, a % b);
}
inline long long int lcm(long long int a, long long int b) {
  return (a * b) / gcd(a, b);
}
inline int ctoi(char c) { return c - 48; }
inline char itoc(int n) { return n + '0'; }
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  long long int n, x, y, w, b;
  cin >> n >> x >> y;
  w = 2 * (x + y) - 5;
  b = 2 * (2 * n - x - y);
  if (w < b)
    cout << "White";
  else
    cout << "Black";
}
