class Program
{
    static void Main(string[] args)
    {
        string[] input = Console.ReadLine()!.Split(' ');
        int leftNum= int.Parse(input[0]);
        int rightNum = int.Parse(input[1]);
        int ans = int.Parse(input[2]);

        if (leftNum + rightNum == ans)
        {
            Console.WriteLine("Correct");
        }
        else
        {
            Console.WriteLine("Incorrect");
        }
    }
}