#!/usr/bin/env ferite
/* Ferite version of a Prime Number Finder
 * haplo@mindstab.net */

uses "array", "console", "math";

array fncArgs;
number MAX, cnt, test, i, remainder;
string foo;

MAX = 10;

foo = Console.readln();
foo = String.trim(foo, "\n");
if(String.isNumber(foo)) 
{
	MAX = String.toNumber(foo);
} else {
	Console.println("Useage: primes.fe [Max Num]\n");
}
if(MAX < 1) { Console.println("Invalid Max Num\n"); }

i = 0;

for(cnt = 3; cnt <= MAX; cnt +=2)
{ 
	test = Math.sqrt(cnt);
	remainder=1;
	for(i=3; i<= test; i+=2)
	{
		remainder = cnt%i;
		if(! remainder) break;
	}
	if(remainder)
		Console.println(cnt);
}