using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication4 {
    class Program {
        static void Main() {
            int[] a = Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray();
            Console.ReadLine();
          int  x = a[0];
            int y = a[1];
            Console.WriteLine(x + y - Math.Min(x, y));
        }
    }
}