C#: 216 Characters
using C=System.Console;class P{static void Main(){var p="start:";System.Action
in long form:
using C = System.Console;
class P
{
static void Main()
{
var p = "start:";
System.Action
New Version, accepts one number as input provided through the command line, no input validation. 173 154 characters.
using System;class P{static void Main(string[]a){Action
in long form:
using System;
class P
{
static void Main(string[]a)
{
Action
I am able to shave a few characters by ripping off the idea in this answer to use a for loop rather than a while. 150 characters.
using System;class P{static void Main(string[]a){Action
