using System;

public class Program

{

    public static void Main()

    { 

            Console.Write("Enter first number:");

            int a = int.Parse(Console.ReadLine());

            Console.Write("Enter second number:");

            int b = int.Parse(Console.ReadLine());           

            int Sum = a + b;

            int Subtraction = a - b;

            int Multiplication = a * b;

            int Division = a / b;

            int Remainder = a % b;

            int IncreamentOperator = a++;

            int FirstNumber = a;  

            int PreIncrement = ++a;  

            Console.WriteLine("a + b : {0}", Sum);

            Console.WriteLine("a - b : {0}", Subtraction);

            Console.WriteLine("a * b : {0}", Multiplication);

            Console.WriteLine("a / b : {0}", Division);

            Console.WriteLine("a % b : {0}", Remainder);

            Console.WriteLine("a++ : {0}", IncreamentOperator);

            Console.WriteLine("a : {0}", FirstNumber);

            Console.WriteLine("++a : {0}", PreIncrement);

    }

}