using System;

public class Program

{

    public static void Main()

    {

        // Exercise 1

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

        double n1 = Double.Parse(Console.ReadLine());

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

        double n2 = Double.Parse(Console.ReadLine());

        Console.WriteLine("Addition: " + (n1 + n2));

        Console.WriteLine("Subtraction: " + (n1 - n2));

        Console.WriteLine("Multiplication: " + (n1 * n2));

        Console.WriteLine("Division: " + (n1 / n2));

        // Exercise 2

        int i = 101;

        double d = 16.29;

        char c = 'A';

        string s = " dalmations";   

        Console.WriteLine("Sum of i and d is: " + (i + d));

        Console.WriteLine("There are " + (i + s));

        if (i % 2 == 0){

            Console.WriteLine("i is even");

        }

        else {

            Console.WriteLine("i is odd");

        }

        Console.WriteLine("Unicode value of c: " + (Convert.ToInt32(c)));

    }

}