import std.conv;
import std.stdio;
import std.array;
import std.range;
import std.string;
import std.algorithm;

void main()
{
	switch(readln().chomp()) {
	case "1 0 0" : writeln("Close"); break;
	case "0 1 0" : writeln("Close"); break;
	case "1 1 0" : writeln("Open"); break;
	case "0 0 1" : writeln("Open"); break;
	case "0 0 0" : writeln("Close"); break;
	default : stderr.writeln("Invalid Input"); break;
	}
}