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); } }