import java.io.*;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Deque;
import java.util.StringTokenizer;

import static java.lang.Math.min;

/**
 * Created by timur on 28.03.15.
 */

public class TaskA {
    boolean eof;
    BufferedReader br;
    StringTokenizer st;
    PrintWriter out;

    public static void main(String[] args) throws IOException {
        new TaskA().run();
    }

    public String nextToken() {
        while (st == null || !st.hasMoreTokens()) {
            try {
                st = new StringTokenizer(br.readLine());
            } catch (Exception e) {
                eof = true;
                return "";
            }
        }
        return st.nextToken();
    }

    public int nextInt() {
        return Integer.parseInt(nextToken());
    }

    public long nextLong() {
        return Long.parseLong(nextToken());
    }

    double nextDouble() {
        return Double.parseDouble(nextToken());
    }

    String nextLine() throws IOException {
        return br.readLine();
    }


    void run() throws IOException {
        InputStream input = System.in;
        PrintStream output = System.out;
        try {
            File f = new File("a.in");
            if (f.exists() && f.canRead()) {
                input = new FileInputStream(f);
                output = new PrintStream("a.out");
            }
        } catch (Throwable e) {
        }
        br = new BufferedReader(new InputStreamReader(input));
        out = new PrintWriter(output);
        solve();
        br.close();
        out.close();
    }
    class Pair implements Comparable<Pair> {
        int l, r;

        public Pair(int l, int r) {
            this.l = l;
            this.r = r;
        }

        @Override
        public int compareTo(Pair o) {
            int r = l - o.l;
            if (r == 0)
                r = this.r - o.r;
            return -r;
        }
    }


    void solve() {
        long n = nextLong(), x = nextLong(), y = nextLong();
        long w = Math.max(x - 1, y - 1);
        long b = Math.max(n - x, n - y);
        if (w <= b) {
            out.print("White");
        } else {
            out.print("Black");
        }

    }
}