Codeforces-SolutionsA/Codes/617A Elephant/617A.cpp

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n,i=5,count=0;
    cin>>n;
    if(n%5)
        cout<<n/5+1<<endl;
    else
        cout<<n/5<<endl;
}