using System;
using System.Collections.Generic;
using System.Linq;
using System.Numerics;
class Program
{
    static void Main()
    {
        int[] Q = Array.ConvertAll(Console.ReadLine().Split(' '), r => int.Parse(r));
        if (Q[0] + Q[1] == Q[2])
        {
            Console.WriteLine("Correct");
        }
        else
        {
            Console.WriteLine("Incorrect");
        }
    }
}