using System;

public class Program

{

    public static void Main()

    {

        int age;

        double priceproduct;

        int day;

        Console.WriteLine("please enter your age");

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

        Console.WriteLine("please enter a price");

        priceproduct = double.Parse(Console.ReadLine());

        Console.WriteLine("please enter your day");

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

        if (age>18 && age<65) {

                    Console.WriteLine("you are old enough");

        }

        if (priceproduct<100 && priceproduct>0 ){

                    Console.WriteLine("you can buy it");

        }

        if (day==2 && day==4 && day==6){

                    Console.WriteLine("its monday or wendsday or friday");

        }

​

​

​

    }

}