#include<iostream>
using namespace std;

int main()
{
  int b1,b2,b3;
  cin>>b1>>b2>>b3;
  if(b1==1&&b2==1)
    cout<<"Open\n";
  else if(b3==1)
    cout<<"Open\n";
  else
    cout<<"Close\n";
  return 0;
}

