Pr4R6ex16

using System;

namespace test
{
    class Program
    {
        static int nod (int a, int b)
        {
            while (a != b ) {
                if (a > b)
                    a -= b;
                else
                    b -= a;
            }
            int nod = a;
            return nod;
        }

        static void Main ()
        {
            Console.WriteLine ("Enter a & b ");

            int a = int.Parse (Console.ReadLine ());
            int b = int.Parse (Console.ReadLine ());
            int x = a * a + b * b;
            int y = a * b;
            Console.WriteLine("{0}/{1}", (double)x/nod(x,y), (double)y/nod(x,y));
        }
    }
}