using System;

public class NumbersNotDivisible

{

    public static void Main()

    {

        Console.WriteLine("Please input positive number:");

        int number= int.Parse(Console.ReadLine());

        for (int i=1;i<=number;i++)

        {

            if ((i%3!=0)&&(i%7!=0))

        {

            Console.Write(i+" ");

        }

        }

    }

}

​

​