using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Threading.Tasks;namespace ConsoleApplication3{    class Program    {        static void Main(string[] args)        {            //DateTime st = new DateTime(2018, 5, 6, 20, 24, 24);            //Console.WriteLine(st);            //Console.WriteLine(st.ToString("yyyy:MM:dd,hh:mm:ss"));            //Console.WriteLine(st.ToString("yyyy:MM:dd,HH:mm:ss"));            string sds1 = @"IFERROR(IF(Z{0}-J{0}=0,"",(Z{0}-J{0})+(Z{0}