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 sc = new Scanner(System.in);
        int n = sc.nextInt();
        int k = n % 7;
        if (k > 5) {
            System.out.print((n / 7) * 2 + (k - 5) + " ");
        } else if (k <= 5) {
            System.out.print((n / 7) * 2 + " ");
        }
        if (k == 1) {
            System.out.print((n / 7) * 2 + 1);
        } else if (k > 1) {
            System.out.print((n / 7 * 2) + 2);
        } else {
            System.out.print((n / 7 * 2));
        }
    }
}
