source_code:  
   
  
  
  import java.util.Scanner;
  import javafx.geometry.Point2D;
  
   
  public class ChessKing {
  
      /**
       * @param args the command line arguments
       */
      public static void main(String[] args) {
  Scanner input = new Scanner(System.in);
  long size = input.nextLong();
  long a = input.nextLong();
  long b = input.nextLong();
    long sum = a+b;
     long d = sum-2;
     long d1 = size*2 - sum;
  if(d<d1) System.out.println("White");
  else if(d>d1) System.out.println("Black");
  else System.out.println("White");
  
  
      }
      
  }
  