#include <iostream>
using namespace std;

int main()
{
	string val = "123456";
	int ans[6] = {0xB3, 0xC0, 0x01, 0xB3, 0xB0, 0xD4};
	if ((val[0] + 0x100) % (0x100) == ans[0]) {
    	if ((val[1] + 0x100) % (0x100) == ans[1]) {
        	if ((val[2] + 0x100) % (0x100) == ans[2]) {
            	if ((val[3] + 0x100) % (0x100) == ans[3]) {
                	if ((val[4] + 0x100) % (0x100) == ans[4]) {
                    	if ((val[5] + 0x100) % (0x100) == ans[5]) {
                        	cout << "Congratulations";
                        	return 0;
                    }
                }
            }
        }
    }
}
}