using System;

 public class Fraction

    {

        //صفات

        public int a;

        public int b;

​

        //Set/Get

​

        public int GetA()

        {

            return this.a;

        }

​

        public void SetA(int a)

        {

            this.a =a;

        }

​

        public int GetB()

        {

            return this.b;

        }

​

        public void SetB(int b)

        {

            this.b = b;

        }

​

        //البناء

​

​

        //Default Constructor

        public Fraction()

        {

            this.a = -1;

            this.b = -2;

        }

​

        public Fraction(int a, int b)

        {

            this.a = a;

            if (b == 0)

                this.b = 1;

            else

                this.b = b;

        }

​

        //Copy consturctor

        public Fraction(Fraction F )

        {

            this.a = F.a;

            this.b = F.b;

        }

​

        //عمليات

        public void Print()

        {

            Console.WriteLine("a:{0}, b:{1}", this.a, this.b);

        }

​

        public bool Equals(Fraction F)

        {

            return (this.a == F.a && this.b == F.b);

        }

​

        public void Reduce()

        {

            //int d = gcd(this.a, this.b);

            //this.a /= d;

            //this.b /= d;

        }

​

        public void Add(Fraction F)

        {

            this.a += F.a;

            this.b += F.b;

            this.Reduce();

        }

​

        public override string ToString()

        {

            return  this.a +"/" + this.b; 

        }

    }                   

public class Program

{

    public static void Main()

    {

        //Objects

            Fraction F1= new Fraction(3,0);

            Fraction F2 = new Fraction(30, 9);

​

            Fraction F3 = new Fraction(F2);

            Fraction F4 = new Fraction();

​

            F2.a = 50;

​

            F1.Print();

            F2.Print();

            F3.Print();

            F4.Print();

​

​

            Console.WriteLine(F2);

    }

}