Sequence

import java.util.*;

public class SequenceDSA {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        String [] input = scanner.nextLine().split(" ");
        int k = Integer.parseInt(input[0]);
        int n = Integer.parseInt(input[1]);

        LinkedList<Integer> numbers = new LinkedList<>();
        numbers.add(k);

        int countSequence = 0;

        for (int i = 0; i < n ; i++) {
            int num = numbers.get(countSequence);
            countSequence++;
            numbers.add(num+1);
            numbers.add(2*num+1);
            numbers.add(num+2);
        }
        System.out.println(numbers.get(n-1));
    }
}