using System;

namespace _1876_Csharp
{
    class Program
    {
        static void Main(string[] args)
        {
            int a= Convert.ToInt32(Console.ReadLine()), b = Convert.ToInt32(Console.ReadLine());

            int c = Math.Max(2 * a + 39, 2 * b + 40);

            Console.WriteLine(c);
        }
    }
}