#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;
}
