using System;

public class Program

{

    public static void Main()

    {

        int x=0,num,i ;

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

        int[] arr = new int[20]{7,12,20,27,35,42,49,60,70,88,91,102,121,131,150,170,200,300,350, -999};

        for(i=0;i<arr.Length;i++)

        {

            if(num>arr[i])

            {

                arr[i]=num;

            }

             Console.WriteLine(arr[i]);

        }

    }

}