ProgrammingBasicts3a_exc1

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace HelloWorld3a
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("Hello world аояьяоао!");
            Console.Beep(500, 1000);

            byte age = 53;
            decimal money;
            char firstLetter = 'S';
            string name = "Stoyan";
            bool isMale = true;

            money = 2.54m;

            firstLetter = 'T';

            Console.WriteLine("I am {0} years old.", age);
            Console.WriteLine("I have {0} money!", money);
            Console.WriteLine("I am {1} years old!. The first letter of my name is {0}. ", firstLetter, age);
            Console.WriteLine("My name is {0}", name);
            Console.WriteLine("Am I a man?{0}", isMale);

            byte a = 13;
            byte b = 5;
            // 1.
            Console.WriteLine("{0} + {1} = {2}",a, b, a + b);
            Console.WriteLine("{0} - {1} = {2}", a, b, a - b);
            Console.WriteLine("{0} * {1} = {2}", a, b, a * b);
            Console.WriteLine("{0} / {1} = {2}", a, b, a / b);
            Console.WriteLine("{0} % {1} = {2}", a, b, a % b);
            Console.WriteLine("++{0}  = {1}", a, ++a);

            // 2. comparison
            Console.WriteLine("{0} < {1} = {2}", a, b, a < b);
            Console.WriteLine("{0} > {1} = {2}", a, b, a > b);
            Console.WriteLine("{0} <= {1} = {2}", a, b, a <= b);
            Console.WriteLine("{0} >= {1} = {2}", a, b, a >= b);
            Console.WriteLine("{0} == {1} = {2}", a, b, a == b);
            Console.WriteLine("{0} == {1} = {2}", a, b, a != b);

            // 3. Boolean
            bool c = true;
            bool d = false;

            Console.WriteLine("{0} && {1} = {2}", c, d, c && d);
            Console.WriteLine("{0} || {1} = {2}", c, d, c || d);
            Console.WriteLine("{0} ^ {1} = {2}", c, d, c ^ d);
            Console.WriteLine("!{0} = {1}", c, !c);

            // kdjsfhsdkfjh askjfsdk fdkjh fksjh fkjsd
            // a = 5; // a = a + 5;

            Console.WriteLine("{0} << 1 {1}", 1, 1 << 1);
            Console.WriteLine("{0} >> 1 {1}", 1, 1 >> 1);
            Console.WriteLine("{0} | {1} = {2}", a, b, a | b);
            Console.WriteLine("{0} & {1} = {2}", a, b, a & b);
            Console.WriteLine("{0} ^ {1} = {2}", a, b, a ^ b);
            Console.WriteLine("~{0} = {1}", a, ~a);

            Console.WriteLine("Please, enter your age:");
            string input = Console.ReadLine();
            byte newAge = byte.Parse(input);

            Console.WriteLine("In 10 years you will be {0}", input + 10);

            if( newAge <= 18 )
            {
                Console.WriteLine("You are a teenager!!!");
            }
            else if (newAge > 18 && newAge <= 30)
            {
                Console.WriteLine("You are in a golden age!");
            }
            else
            {
                Console.WriteLine("You are an adult!");
            }

            switch (newAge)
            {
                case 22 :
                case 23 :
                    Console.WriteLine("You are 23 years old. You are very sick person!");
                    break;
                default :
                    Console.WriteLine("I don't know what to say!");
                    break;
            }

        }
    }
}