using System;

public class Program

{

    public static void Main()

    {

        //number1

        int age =70;

        bool isCityResident = true;

        if(age>65 && isCityResident)

        {

        Console.WriteLine ("Discount applied on public transportation");

        }

        else

        {

        Console.WriteLine ("No discount available");

        }

        //number2

        int age1 = 2;

        bool WithAdult = false;

        if(age1>13)

        {

            Console.WriteLine("you can go in");

        }

        else if(WithAdult)

        {

          Console.WriteLine("you can go in");

        }

        else

        {

            Console.WriteLine("you can't go in");

        }

        //number3

        double A= 4.99;

        double B= 2.70;

        double C= A-B;

        Console.WriteLine(C);

        //number4

        int hours = 24;

        Console.WriteLine("There are " + hours + " hours in a day");

    }

}