Какие средства хранения информации были первыми?

Стены.. камни.. береста..

Удревних египтян был папирус, китайцы писали на шелке, древние-древние люди высекали слова на камнях, греки писали стилусами на дощечках с воском

Код:

using System;

namespace WordsCounter

{

   class Bishop

   {

       private int x, y;

       public Bishop(int x, int y)

       {

           this.x = x;

           this.y = y;

       }

       public bool CanIAttackIt(int x, int y)

       {

           return Math.Abs(x - y) == Math.Abs(this.x - this.y);

       }

   }

   class Program

   {

       static void Main(string[] args)

       {

           var x0 = int.Parse(Console.ReadLine()!);

           var y0 = int.Parse(Console.ReadLine()!);

           var x = int.Parse(Console.ReadLine()!);

           var y = int.Parse(Console.ReadLine()!);

           Console.WriteLine((new Bishop(x0, y0)).CanIAttackIt(x, y));

       }

   }

}

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