using System;
using System.Collections.Generic;
using System.Text;
class Program
{
static void Main(string[] args)
{
Console.WriteLine("12.GetHashCode() = {0}", 12.GetHashCode());
Console.WriteLine("12.Equals(23) = {0}", 12.Equals(23));
Console.WriteLine("12.ToString() = {0}", 12.ToString());
Console.WriteLine("12.GetType() = {0}", 12.GetType());
}
}