using System.Numerics;

public class Program
{
    public static void Main()
    {

        //BigInteger num = BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        //int num = int.Parse(Console.ReadLine() ?? string.Empty);
        string[] moji = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;
        
        BigInteger a = BigInteger.Parse(moji[0]);
        BigInteger b = BigInteger.Parse(moji[1]);

        BigInteger sum = a + b;
        Console.WriteLine(sum);



        
    }
}