using System;

public class Program

{

    public static void Main()

    {

        int i,j;

        int n = Convert.ToInt32(Console.ReadLine());

        for(i = 2; i <= n; i++){

            for(j = 2; j <= i;j++){

                if(i%j==0)

                    break;

            }

                if(i == j)

                    Console.Write(i+ " ");

        }   

    }

}