#include <iostream>
using namespace std;
int main()
{
int n;
cin >> n;
int group = (n - 1) / 3 + 1;
cout << group << endl;
return 0;
}
#include
using namespace std;
int main()
{
int n;
cin >> n;
int group = (n - 1) / 3 + 1;
cout << group << endl;
return 0;
}
Don't post answers please