using System;

​

namespace claire

{

    public class Program

    {

        public static void Main(string[] args)

        {

​

            Console.WriteLine("Enter a decimal number: ");

            double number = Convert.ToDouble(Console.ReadLine()); //takes decimal numbers as input

​

            Console.WriteLine("Enter how many decimals you want: ");

            int n = Convert.ToInt32(Console.ReadLine()); //takes the number of decimal places as input

​

            double roundToN = Math.Round(number, n); //rounding decimal numbers to N decimals

            double roundTo3 = Math.Round(number, 3); //rounding decimal numbers to 3 decimal places

​

            Console.WriteLine("The number rounded to {0} decimal places is {1}", n, roundToN);

            Console.WriteLine("The number rounded to 3 decimal places is {0}", n);

        }

    }

}