using System;

public class AlphabetDice

{

    private int sides;

    public int Sides{

        get{return sides;}

    }

    Random rnd;

    public char Next(){

        char c = (char)rnd.Next(97,97+Sides);

        return c;

    }

    public AlphabetDice(int x, int y){

        this.sides = y;

        rnd = new Random(x);

    }

}

​

public class Program

{

    public static void Main()

    {

        AlphabetDice d = new AlphabetDice(100,4);

        Console.WriteLine(d.Sides);

        for(int i=0;i<100;i++)

            Console.WriteLine(d.Next());

        //d.Sides = 100;

        //Error if add the code above

    }

}