using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace y1249
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] numStr = Console.ReadLine().Split(' ');
            int a = int.Parse(numStr[0]);
            int b = int.Parse(numStr[1]);
            int c = int.Parse(numStr[2]);
            int ans = a + b;
            string result = "Incorrect";
            if(ans == c)
            {
                result = "Correct";
            }
            Console.WriteLine(result);
        }
    }
}