using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("enter a positive numer");

        int x = Int32.Parse(Console.ReadLine());

        int rem1 = x % 6;

        int rem2 = x % 7;

        if (rem1 == 0 )

        {

            if (rem2 == 0)

            {

                Console.WriteLine("It is a multiple of 6 & 7");

            }

            else

            {

                Console.WriteLine("It is a multiple of 6");

            }

        }

        else

        {

            Console.WriteLine("It is not a multiple of 6 or 7");

        }

    }

}