package timus;
import java.util.Scanner;
/**
* Created by sherxon on 12/5/16.
*/
public class CentipedesMorning1876 {
public static void main(String[] args) {
Scanner in =new Scanner(System.in);
int a=in.nextInt();
int b=in.nextInt();
int max1=b*2+40;
int max2=39*2 + 40 + (a-40)*2 + 1;
int max=Math.max(max1, max2);
System.out.println(max);
}
}