using System;
namespace ConsoleApplication_C_Sharp
{
static class Program
{
static void Main()
{
string s = "20/9/2018 10:41:31";
DateTime dt = DateTime.Parse(s);
Console.Write(dt.Day + "-" + dt.Month + "-" + dt.Year + " ");
Console.WriteLine(dt.Hour + "-" + dt.Minute + "-" + dt.Second);
}
}
}
/*
run:
20-9-2018 10-41-31
*/