import java.io.IOException;
import java.io.OutputStreamWriter;
import java.math.BigDecimal;
import java.io.BufferedWriter;
import java.util.InputMismatchException;
import java.io.OutputStream;
import java.math.MathContext;
import java.io.PrintWriter;
import java.io.Writer;
import java.math.BigInteger;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        OutputWriter out = new OutputWriter(outputStream);
        TaskA solver = new TaskA();
        solver.solve(1, in, out);
        out.close();
    }
}

class TaskA {

    public static final long mod = 1000L * 1000L * 1000L + 9L;

    public void solve(int testNumber, InputReader in, OutputWriter out) {
        long n = in.nextLong();
        long m = in.nextLong();
        long k = in.nextLong();
        long z = n - m;
        long left = m - z * (k - 1L);
        if (left < 0) left = 0;
        long res = IntegerUtlis.pow(2L, left / k, mod) - 1L;
        res *= 2L * k;
        res %= mod;
        res += left % k;
        res %= mod;
        res += m - left;
        res %= mod;
        res += mod;
        res %= mod;
        out.printLine(res);
    }
}

class InputReader {
    private InputStream stream;
    private byte[] buffer = new byte[10000];
    private int cur;
    private int count;

    public InputReader(InputStream stream) {
        this.stream = stream;
    }

    public static boolean isSpace(int c) {
        return c == ' ' || c == '\n' || c == '\r' || c == '\t' || c == -1;
    }

    public int read() {
        if (count == -1) {
            throw new InputMismatchException();
        }
        try {
            if (cur >= count) {
                cur = 0;
                count = stream.read(buffer);
                if (count <= 0)
                    return -1;
            }
        } catch (IOException e) {
            throw new InputMismatchException();
        }
        return buffer[cur++];
    }

    public int readSkipSpace() {
        int c;
        do {
            c = read();
        } while (isSpace(c));
        return c;
    }

    public long nextLong() {
        long sgn = 1;
        int c = readSkipSpace();
        if (c == '-') {
            sgn = -1;
            c = read();
        }
        long res = 0;
        do {
            if (c < '0' || c > '9') {
                throw new InputMismatchException();
            }
            res = res * 10L + (long)(c - '0');
            c = read();
        } while (!isSpace(c));
        res *= sgn;
        return res;
    }

    }

class OutputWriter {
    private final PrintWriter writer;

    public OutputWriter(OutputStream outputStream) {
        writer = new PrintWriter(new BufferedWriter(new OutputStreamWriter(outputStream)));
    }

    public OutputWriter(Writer writer) {
        this.writer = new PrintWriter(writer);
    }

    public void print(Object... objects) {
        for (int i = 0; i < objects.length; i++) {
            if (i != 0) {
                writer.print(' ');
            }
            writer.print(objects[i]);
        }
    }

    public void printLine(Object... objects) {
        print(objects);
        writer.println();
    }

    public void close() {
        writer.close();
    }

    }

class IntegerUtlis {

    public static long pow(long x, long y, long mod) {
        x %= mod;
        long res = 1;
        while (y > 0) {
            if (y % 2 == 1) {
                --y;
                res = BigInteger.valueOf(res).multiply(BigInteger.valueOf(x)).mod(BigInteger.valueOf(mod)).longValue();
            } else {
                y /= 2;
                x = BigInteger.valueOf(x).multiply(BigInteger.valueOf(x)).mod(BigInteger.valueOf(mod)).longValue();
            }
        }
        return res % mod;
    }

    }
