#include <iostream>
#include <string>

struct Voter
{
    Voter(std::string ID) : id(ID)
    {
    }

    std::string ID()
    {
        return id;
    }

private:
    std::string id;
};

int main()
{
    Voter v ("19810102009");
    std::string Id;
    std::cin >> Id;
    if(v.ID() == Id)
    {
        std::cout << "CORRECT!" << std::endl;
    }
    else
    {
        std::cout << "Invalid username or password." << std::endl;
    }
}