using System;

class MainClass {

    public static void Main() {


        TimeSpan myTimeSpan13 = new TimeSpan(1, 10, 13);
        TimeSpan myTimeSpan14 = new TimeSpan(2, 6, 10);
        TimeSpan myTimeSpan15 = myTimeSpan13.Add(myTimeSpan14);
        Console.WriteLine("myTimeSpan13 = " + myTimeSpan13);
        Console.WriteLine("myTimeSpan14 = " + myTimeSpan14);
        Console.WriteLine("myTimeSpan15 = " + myTimeSpan15);


        Console.WriteLine("myTimeSpan15.Duration() = " + myTimeSpan15.Duration());

    }
}

   
     

   
 

using System;

class MainClass {

    public static void Main() {


        TimeSpan myTimeSpan13 = new TimeSpan(1, 10, 13);
        TimeSpan myTimeSpan14 = new TimeSpan(2, 6, 10);
        TimeSpan myTimeSpan15 = myTimeSpan13.Add(myTimeSpan14);
        Console.WriteLine("myTimeSpan13 = " + myTimeSpan13);
        Console.WriteLine("myTimeSpan14 = " + myTimeSpan14);
        Console.WriteLine("myTimeSpan15 = " + myTimeSpan15);


        myTimeSpan15 = myTimeSpan13.Subtract(myTimeSpan14);
        Console.WriteLine("myTimeSpan15 = " + myTimeSpan15);        
    }
}

   
     

   
 

using System;

class MainClass {

    public static void Main() {


        TimeSpan myTimeSpan13 = new TimeSpan(1, 10, 13);
        TimeSpan myTimeSpan14 = new TimeSpan(2, 6, 10);
        TimeSpan myTimeSpan15 = myTimeSpan13.Add(myTimeSpan14);
        Console.WriteLine("myTimeSpan13 = " + myTimeSpan13);
        Console.WriteLine("myTimeSpan14 = " + myTimeSpan14);
        Console.WriteLine("myTimeSpan15 = " + myTimeSpan15);
        
    }
}

   
     

   
 

using System;

class MainClass {

    public static void Main() {

        TimeSpan myTimeSpan11 = TimeSpan.Parse("8:10:30");
        Console.WriteLine("TimeSpan.Parse("8:10:30") = " + myTimeSpan11);
        TimeSpan myTimeSpan12 = TimeSpan.Parse("1.8:10:30.1234567");

        Console.WriteLine("TimeSpan.Parse("1.8:10:30.1234567") = " + myTimeSpan12);
        
    }
}

   
     

   
 


using System;

class MainClass {

    public static void Main() {
        TimeSpan myTimeSpan5 = TimeSpan.FromDays(5);
        Console.WriteLine("TimeSpan.FromDays(5) = " + myTimeSpan5);
        TimeSpan myTimeSpan6 = TimeSpan.FromHours(10); 
        Console.WriteLine("TimeSpan.FromHours(10) = " + myTimeSpan6);
        TimeSpan myTimeSpan7 = TimeSpan.FromMinutes(30);
        Console.WriteLine("TimeSpan.FromMinutes(30) = " + myTimeSpan7);
        TimeSpan myTimeSpan8 = TimeSpan.FromSeconds(15);
        Console.WriteLine("TimeSpan.FromSeconds(15) = " +  myTimeSpan8);
        TimeSpan myTimeSpan9 = TimeSpan.FromMilliseconds(200);
        Console.WriteLine("TimeSpan.FromMilliseconds(200) = " + myTimeSpan9);
        TimeSpan myTimeSpan10 = TimeSpan.FromTicks(500);
        Console.WriteLine("TimeSpan.FromTicks(500) = " + myTimeSpan10);
        
    }
}

   
     

using System;

class MainClass {
public static void Main() {
DateTime start = DateTime.Now;
long total = 0;
for (int count = 0; count < 1000000; count++) { total += count; } TimeSpan timeTaken = DateTime.Now - start; Console.WriteLine("Milliseconds = " + timeTaken.Milliseconds); Console.WriteLine("total = " + total); } } [/csharp]

   
  

using System;
using System.Collections.Generic;
using System.Text;

class Program {
    static void Main(string[] args) {
        TimeSpan ts = new TimeSpan(4, 30, 0);
        Console.WriteLine(ts);

        Console.WriteLine(ts.Subtract(new TimeSpan(0, 15, 0)));
    }
}