using System;
using System.Collections.Generic;
using System.Linq;

class Progaram
{
    static void Main(string[] args)
    {
        var l = Console.ReadLine().Split(' ');
        if (double.Parse(l[0]) > 10 || double.Parse(l[1]) > 10) Console.WriteLine(l[0] + l[1]);
        else Console.WriteLine(double.Parse(l[0]) + double.Parse(l[1]));
    }
}