How to add two integers in C# program?

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

namespace ConsoleApp3
{
    class Program
    {
        static void Main(string[] args)
        {
            int a=5, b=10, sum=0;
            sum = a + b;
            Console.Write("Sum = "+sum);
          

           
            Console.Read();
        }
    }
}