using System;
namespace Operator
{
class LeftShift
{
public static void Main(string[] args)
{
int number = 42;
Console.WriteLine("{0}<<1 = {1}", number, number<<1);
Console.WriteLine("{0}<<2 = {1}", number, number<<2);
Console.WriteLine("{0}<<4 = {1}", number, number<<4);
}
}
}