using System;

using System.Collections.Generic;

using System.Threading.Tasks;

​

namespace Program

{

    public class Program

    {

        public static void Main(string[] args)

        {

        }

​

        static IEnumerable<int> YieldWithTryCatchFinally()

        {

            yield return 1;

            try

            {

                yield return 2;

            }

            catch

            {

                yield return 3;

            }

            finally

            {

                yield return 4;

            }

        }

​

        static IEnumerable<int> YieldWithTryFinally()

        {

            yield return 1;

            try

            {

                yield return 2;

            }

            finally

            {

                yield return 3;

            }

        }

​

        static async Task AwaitWithTryCatchFinally()

        {

            await Task.Yield();

            try

            {

                await Task.Yield();

            }

            catch

            {

                await Task.Yield();

            }

            finally

            {

                await Task.Yield();

            }

        }

    }

}