using System;
class Scanner
{
    string[] s;
    int i;
    char[] cs = new char[] { ' ', ',' };
    public Scanner()
    {
        s = new string[0];
        i = 0;
    }

    public string Next()
    {
        if (i < s.Length) return s[i++];
        string st = Console.ReadLine();
        while (st == "") st = Console.ReadLine();
        s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
        if (s.Length == 0) return Next();
        i = 0;
        return s[i++];
    }

    public int NextInt()
    {
        return int.Parse(Next());
    }

    public long NextLong()
    {
        return long.Parse(Next());
    }
}



public class Hello{
    public static void Main(){
        // Your code here!
        var scanner = new Scanner();
        int a= scanner.NextInt();
        int b= scanner.NextInt();
        Hello obj = new Hello();
        Console.WriteLine("a + b = {0}", obj.Sum(a,b));
    }
    private int Sum(int a, int b){
       return a+b;
    }
}