using System;

​

public class Integer

{

    int i;

    public Integer() {} // such empty

    public Integer(int v)

    {

        if (v > Int32.MaxValue || v < Int32.MinValue) throw new ArgumentException(String.Format("Value will overflow, prevented initialization, proper range for Int32 is: [{0}, {1}]", Int32.MinValue, Int32.MaxValue));

        this.i = v;

    }

​

    public static Integer operator +(Integer o1, Integer o2)

    {

        return new Integer(o1.Value() + o2.Value());

    }

    public static Integer operator -(Integer o1, Integer o2)

    {

        return new Integer(o1.Value() - o2.Value());

    }

    public static Integer operator *(Integer o1, Integer o2)

    {

        return new Integer(o1.Value() * o2.Value());

    }

    public static Integer operator ^(Integer o1, Integer o2)

    { // yay powers 

        return new Integer((int)Math.Pow(o1.Value(), o2.Value()));

    }

    public static Integer operator /(Integer o1, Integer o2)

    {

        if (o2.Value() == 0)

        {

            throw new ArgumentException("right side operator cannot be zero");

        }

        return new Integer( (int)Math.Round( (double)o1.Value() / (double)o2.Value() ));

    }

    public int Value() { return this.i; }

    public void Print()

    {

        Console.WriteLine("{0}", this.i );

    }

​

​

}

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Integer  v2 = new Integer(2);

        Integer v10 = new Integer(10);

        Integer v14 = new Integer(14);

        Integer v20 = new Integer(20);

        // this one shall throw ArgumentException, but it wont, since c# automatically changes int32 to long when overflow/underflow going to happen

        // Integer overflow = new Integer(-2147483649);

        Integer sum = v10 + v20;

        sum.Print();

        Integer div1 = v20 / v10;

        Integer div2 = v14 / v10;

        div1.Print();

        div2.Print();

        Integer pow = v10 ^ v2; // powers xd

        pow.Print();

    }

}