Simple inheritance, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Parent
    {
        public int value_1;
        public int value_2;
        public Parent(){
            value_1=Convert.ToInt32(Console.ReadLine());
            value_2=Convert.ToInt32(Console.ReadLine());
        }
    }
    public class Child : Parent 
    {
        public void result(){
            Console.WriteLine(value_1*value_2);
        }
    }
    public class Program
    {
        public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine("Hello, world!");
            Child c =new Child();
            Child d= new Child();
            c.result();
            d.result();
            Console.WriteLine(c.value_1 +","+c.value_2);
            Console.WriteLine(d.value_1 +","+d.value_2);
        }
    }
}

Show compiler warnings [ - ] Show input
Compilation time: 0,17 sec, absolute running time: 0,11 sec, cpu time: 0,11 sec, average memory usage: 14 Mb, average nr of threads: 3