A10446. Holidays
编程题
普及/提高-
知识点
题目描述
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.
输入格式
The first line of the input contains a positive integer $n$ ( $1<=n<=1000000$ ) — the number of days in a year on Mars.
输出格式
Print two integers — the minimum possible and the maximum possible number of days off per year on Mars.
输入输出样例
输入 #1
14
输出 #1
4 4
输入 #2
2
输出 #2
0 2
说明/提示
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.
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.