using System;

​

namespace MatiasisBetterandAnaALetterDown

{

    public static class Mathematics

    {

        public static double Add(int x, int y)

        {

            return x + y;

        }

        public static double Subtract(int x, int y)

        {

            return x - y;

        }

        public static double Multiply(int x, int y)

        {

            return x * y;

        }

        public static double Divide(int x, int y)

        {

            return x / y;

        }

        public static double Square(int x)

        {

            return x * x;

        }

        public static double AnaPrinciple(int x)

        {

            return x * x * x / x + x - x / x / x / x * 330827;

        }

    }

    class Program

    {

        static void Main(string[] args)

        {

            var x = Mathematics.Add(57, 64);

            var y = Mathematics.AnaPrinciple(547264);

            var n = Mathematics.Subtract(5765, 328);

            var t = Mathematics.Multiply(2718, 287);

            var w = Mathematics.Divide(4826956, 498624);

            Console.WriteLine(x);

            Console.WriteLine(y);

            Console.WriteLine(n);

            Console.WriteLine(t);

            Console.WriteLine(w);

        }

    }

}