import java.util.Scanner;

/**
 * @author subaru
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    } main {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc int B = sc.nextInt(); B sc.nextInt() sc.nextInt sc int answer = 0; answer 0 answer += A > B ? A-- : B-- answer A > B ? A-- : B-- A > B A B A-- A B-- B answer += A > B ? A : B answer A > B ? A : B A > B A B A B System.out.println(answer) System.out.println System.out System System.out answer String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    }
} Main
import java.util.Scanner;

/**
 * @author subaru
 */
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int answer = 0;
        answer += A > B ? A-- : B--;
        answer += A > B ? A : B;
        System.out.println(answer);
    }
}
