days = int(input())
if days < 7:
if days == 6:
print(1,2)
elif days <= 5 and days > 1:
print(0,2)
else:
print(0,1)
else:
m1 = days % 7 m2 = days // 7
if m1 >= 2:
maxs = m2 * 2 + 2
elif m1 == 1:
maxs = m2 * 2 + 1
else:
maxs = m2 * 2
m3 = m2 * 2
if m1 == 5:
print(m3,maxs)
else:
mins = m3 + m1 // 5
print(mins,maxs)#include<bits/stdc++.h>
using namespace std;
int n,maxans,minans;
int main()
{
while(scanf("%d",&n)==1)
{
minans=maxans=(n+6)/7*2;
if(n%7>=1&&n%7<=5)minans=maxans-2;
if(n%7==6)minans=maxans-1;
if(n%7==1)maxans--;
printf("%d %d\n",minans,maxans);
}
return 0;
}1673A - Subtle Substring Subtraction | 1345A - Puzzle Pieces |
711A - Bus to Udayland | 779B - Weird Rounding |
1703D - Double Strings | 1704C - Virus |
63A - Sinking Ship | 1704B - Luke is a Foodie |
298B - Sail | 239A - Two Bags of Potatoes |
1704E - Count Seconds | 682A - Alyona and Numbers |
44A - Indian Summer | 1133C - Balanced Team |
1704A - Two 0-1 Sequences | 1467A - Wizard of Orz |
1714E - Add Modulo 10 | 1714A - Everyone Loves to Sleep |
764A - Taymyr is calling you | 1714B - Remove Prefix |
1264F - Beautiful Fibonacci Problem | 52A - 123-sequence |
1543A - Exciting Bets | 1714D - Color with Occurrences |
215B - Olympic Medal | 1445A - Array Rearrangment |
1351A - A+B (Trial Problem) | 935B - Fafa and the Gates |
1291A - Even But Not Even | 1269A - Equation |