using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(RoundUp(1.2M, 10M));

        Console.WriteLine(RoundUp(3M, 10M));

        Console.WriteLine(RoundUp(12M, 10M));

    }

    public static decimal RoundUp(decimal sum, decimal coef)

    {

        return (Convert.ToInt32(1+sum/coef)*coef);

    }

}