using System;

public class Program

{

    public static void Main()

    {

        //Enter Age

        Console.WriteLine("Please enter your age (in years)");

        int age=Convert.ToInt32(Console.ReadLine());

        //Enter gender

        Console.WriteLine("Please enter your gender (male or female)");

        string gender= Console.ReadLine();

        int discount = 0;

​

        //[Code] Use Nested If

            if (age < 18)

            {

                discount = 15;

​

            }

            else if (age > 65)

            {

                if (gender == "female") 

                    discount = 30;

                    else

                    discount = 20;

            }

            else

            {

                discount = 5;

            }

        // Output

        Console.WriteLine("Your age is " + age + ", your gender is " + gender + ", and your discount is " + discount + "%");

​

        }

        }

​

​

​