Spiral1224.java

package timus;

import java.util.Scanner;

/**
 * Created by sherxon on 12/6/16.
 */
public class Spiral1224 {
    public static void main(String[] args) {
        Scanner in =new Scanner(System.in);
        long n=in.nextInt();
        long m=in.nextInt();
        System.out.println(Math.min(n,m)*2 -  (n>m ? 1 :2));
    }
}