using System;

​

class Program

{

    static void Main()

    {

        Console.WriteLine("Enter 1 to convert days to months and years.");

        Console.WriteLine("Enter 2 to convert months and years to days.");

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

​

        switch (choice)

        {

            case 1:

                Console.WriteLine("Enter a number of days:");

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

​

                // Convert days to months and years

                int months = days / 30;

                int years = days / 365;

​

                Console.WriteLine("{0} days is equivalent to {1} months and {2} years.", days, months, years);

                break;

​

            case 2:

                Console.WriteLine("Enter a number of months:");

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

​

                Console.WriteLine("Enter a number of years:");

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

​

                int totalDays = (yearsInput * 365) + (monthsInput * 30);

                 //i used string formatting cuz kapoy i mano mano pag add sa details

                Console.WriteLine("{0} months and {1} years is equivalent to {2} days.", monthsInput, yearsInput, totalDays);

                break;

​

            default:

                Console.WriteLine("Invalid choice.");

                break;

        }

    }

}