source_code: import java.util.*;
  import java.io.*;
  public class a {
      static long mod = 1000000009;
      static ArrayList<Integer>[] g;
  public static void main(String[] args) throws IOException
  {
      //Scanner input = new Scanner(new File("input.txt"));
      //PrintWriter out = new PrintWriter(new File("output.txt"));
    input.init(System.in);
    PrintWriter out  = new PrintWriter((System.out));
    
    int n = input.nextInt(), m = input.nextInt(), k = input.nextInt();
    long border = n-n/k;
    if(m<=border) out.println(m);
    else
    {
        long count = m- border;
        long first = ((pow(2, count+1) + mod - 2)*k)%mod;
        first += m - k*count;
        out.println(first%mod);
    }
    
    out.close();
  }
  static long pow(long x, long p)
  {
      if(p==0) return 1;
      if((p&1) > 0)
      {
          return (x*pow(x, p-1))%mod;
      }
      long sqrt = pow(x, p/2);
      return (sqrt*sqrt)%mod;
  }
  static long gcd(long a, long b)
  {
      if(b==0) return a;
      return gcd(b, a%b);
  }
  static class input {
    static BufferedReader reader;
    static StringTokenizer tokenizer;
  
    /** call this method to initialize reader for InputStream */
    static void init(InputStream input) {
        reader = new BufferedReader(
                     new InputStreamReader(input) );
        tokenizer = new StringTokenizer("");
    }
  
    /** get next word */
    static String next() throws IOException {
        while ( ! tokenizer.hasMoreTokens() ) {
            //TODO add check for eof if necessary
            tokenizer = new StringTokenizer(
                   reader.readLine() );
        }
        return tokenizer.nextToken();
    }
  
    static int nextInt() throws IOException {
        return Integer.parseInt( next() );
    }
    
    static double nextDouble() throws IOException {
        return Double.parseDouble( next() );
    }
    static long nextLong() throws IOException {
        return Long.parseLong( next() );
    }
    static String nextLine() throws IOException {
      return reader.readLine();
    }
  }
  }