using System;

using System.Threading.Tasks;

public class Program

{

    public static async Task Throw()

    {

        await Task.CompletedTask;

        throw new Exception();

    }

    public static Task NoCatchException()

    {

        try

        {

            return Throw();

        }

        catch (Exception)

        {

        }

        return Task.CompletedTask;

    }

    public static async Task CatchException()

    {

        try

        {

            await Throw();

        } 

        catch (Exception) 

        {

        }

    }

    public static async Task Main()

    {

        // await CatchException();

        await NoCatchException();

    }

}