// 2013/04/19 Tazoe

#include <iostream>
using namespace std;

int main()
{
	int b1, b2, b3;
	cin >> b1 >> b2 >> b3;

	if((b1==1&&b2==1)||b3==1){
		cout << "Open" << endl;
	}
	else{
		cout << "Close" << endl;
	}

	return 0;
}