using System;

using System.IO;

using System.Text;

     class Test

     {

         static void Main(string[] args)

         {

             int a = 10;

             int b = 3;

             Console.WriteLine("a: {0}", a );

             a = 100;

             Console.WriteLine("a : {0}" , a);

             a += b;

             Console.WriteLine("a : {0}" , a );

             a -= b;

             Console.WriteLine("a : {0}", a );

             a *= b;

            Console.WriteLine("a : {0}", a );

             a /= b;

             Console.WriteLine("a : {0} ", a);

             a %=b;

             Console.WriteLine("a : {0} ", a);

             Console.ReadLine();

         }

     }