using System;

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 public class assignment 

{ 

 public  static void Main() 

 { 

 Console.WriteLine ("Hello world");

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            int x = 15;

​

              x += 10;  

              Console.WriteLine("Add Assignment Operator: " + x);

              x -= 5;

             Console.WriteLine("Subtract Assignment Operator: " + x); 

              x *= 5;

             Console.WriteLine("Multiply Assignment Operator: " + x); 

              x /= 5;

             Console.WriteLine("Division Assignment Operator: " + x); 

              x %= 5;

              Console.WriteLine("Modulo Assignment Operator: " + x); 

 }

} 

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