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

class Magatro
{
    
    static void Main()
    {
        Console.Write(Console.ReadLine().Split(' ').Select(s => int.Parse(s)).ToArray().Sum()+" ");
        Console.Write(Console.ReadLine());
        Console.WriteLine();
    }    

}