using System;

​

namespace ImplicitTypeSample

{

    public class Program

    {

       public static void Main(string[] args)

        {

            var name = "John";

            var age = 22;

​

            Console.WriteLine("{0} is {1} years old", name, age);

​

            name = "Martin";

            age = 30;

​

            Console.WriteLine("{0} is {1} years old", name, age);

​

            Console.WriteLine(name.GetType());

            Console.WriteLine(age.GetType());

        }

    }

}