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

namespace DemoA
{
    class Program
    {
        public static void Main(string[] args)
        {
            Console.WriteLine("enter number1");
            var input1 = Console.ReadLine();
            bool res = int.TryParse(input1, out number1);
            if (res == false)

            Console.WriteLine("enter number2");
            var input2 = Console.ReadLine();
            bool res = int.TryParse(input1, out number2);
            if (res == false)

            int input1First = input1[0];
            int input2First = input2[0];
            int num = input1First + input2First;
            

            Console.WriteLine();
            Console.ReadKey();

               
        }

         
    }
}