Time Limit: 1000MS

 

Memory Limit: 262144KB

 

64bit IO Format: %I64d & %I64u

CodeForces - 670A


Holidays



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Description




On the planet Mars a year lasts exactly n






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.






Sample Input





Input



14





Output



4 4





Input



2





Output



0 2





Source



Codeforces Round #350 (Div. 2)



//题意:



给你一个数n,表示火星上一年的天数,火星上一年也是一周七天,五个工作日,两个节假日,问火星上一年最少休息几天,最多休息几天



//思路:



水题,直接模拟




#include<stdio.h>
#include<string.h>
#include<algorithm>
#include<iostream>
using namespace std;
int main()
{
	int n,m,mm;
	int l,r,i,j;
	while(scanf("%d",&n)!=EOF)
	{
		if(n<2)
		{
			l=0;r=n;
		}
		else if(n<=5)
		{
			l=0;r=2;
		}
		else if(n<=7)
		{
			l=n-5;r=2;
		}
		else if(n>7)
		{
			m=n/7;
			m*=2;
			mm=n%7;
			if(mm<2)
			{
				l=m;r=m+mm;
			}
			else if(mm<=5)
			{
				l=m;r=m+2;
			}
			else if(mm<7)
			{
				l=m+mm-5;r=m+2;
			}
		}
		printf("%d %d\n",l,r);
	}
	return 0;
}