using System;
//Write a program that prints all the numbers from 1 to N,
//that are not divisible by 3 and 7 at the same time.

class Program
{
static void Main()
{
    Console.Write("Enter a number n [n>1]: ");
    int n = int.Parse(Console.ReadLine());

    for (int i = 1; i <= n; i++)
    {
        if ((i % 3 == 0) & (i % 7 == 0))
        {
            continue;
        }
        Console.WriteLine(i);
    }
}
}