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 {
	static int N;
	static int weeks;
	static int remainder;
	
	public static void main(String[] args){
		Scanner scan = new Scanner(System.in);
		N = 0; weeks = 0; remainder = 0;
		
		StringTokenizer st = new StringTokenizer(scan.nextLine());
		N = Integer.parseInt(st.nextToken());
		weeks = N / 7;
		remainder = N % 7;
		
		if(remainder <= 2){
			System.out.println(2 * weeks + " " + (2 * weeks + remainder));
		}else{
			if(remainder == 6){
				System.out.println((2 * weeks + 1) + " " + (2 * weeks + 2));
			}else{
				System.out.println(2 * weeks + " " + (2 * weeks + 2));
			}
		}
	}
}
