On the planet Mars a year lasts exactly n days (there are no leap years on Mars). But Martians have the same weeks as earthlings — 5 work days and then 2 days off. Your task is to determine the minimum possible and the maximum possible number of days off per year on Mars.

Input

The first line of the input contains a positive integer n (1 ≤ n ≤ 1 000 000) — the number of days in a year on Mars.

Output

Print two integers — the minimum possible and the maximum possible number of days off per year on Mars.

Examples

Input

14


Output

4 4


Input

2


Output

0 2

Note

In the first sample there are 14 days in a year on Mars, and therefore independently of the day a year starts with there will be exactly 4 days off .

In the second sample there are only 2 days in a year on Mars, and they can both be either work days or days off.
import java.util.*;
public class holidays
{
  public static void main(String args[])
  {
     Scanner in=new Scanner(System.in);
     int n=in.nextInt();
     int d=0;
     if(n%7==0)
     {
       d=(n/7)*2;
       System.out.println(d+" "+d);
    }
     else if(n%7==6)
     {
       d=(int)(n/7)*2;
       System.out.println((d+1)+" "+(d + Math.min(2,n%7)));
    }
    else
   {
       d=(int)(n/7)*2;
       System.out.println((d)+" "+(d + Math.min(2,n%7)));
    }
}
}