#include<iostream>
using namespace std;
 
int main(){
  int a,b,c;
  cin >> a >> b >> c;
  if((a == 1 && b == 1 && c == 0)||(a == 0 && b == 0 && c == 1))
    cout << "Open" << endl;
  else
    cout << "Close" << endl;
  return 0;
}