#include <iostream>
#include <cstdlib>
#include <cmath>

using namespace std;
int main()
{
	int n;//n: eurw//
	cout<<"posa eurw exeis?"<<endl;
	cin>>n;
	int sokolates=n;
	int kouponia=n;
	while(kouponia>=7)
	{
		sokolates=sokolates+kouponia/7;
		kouponia=kouponia%7+kouponia/7;
	}
    cout<<"mporeis na pareis "<<sokolates<<" sokolates kai tha meinoun "<<kouponia<<" kouponia"<<endl;
    
	system ("PAUSE");
	return 0;
}