/*
You are the homeroom teacher of the first grade of Yuki Elementary School and you are grading an arithmetic test. The test includes a question in which you are asked to compute The answer to this question is written in the answer sheet you are now grading. Is this answer correct?

Input:
A B C

Output:
If the answer is correct, print "Correct"; if it is incorrect, print "Incorrect". However, you must write a new line at the end of the answer.
*/


using System;
using System.Linq;
using Internal;
using System.Collections.Generic;
using System.Text;

class Scanner
{
    string[] s;
    int i;
    char[] cs = new char[] { ' ' };
    public Scanner()
    {
        s = new string[0];
        i = 0;
    }

    public string Next()
    {
        if (i < s.Length) return s[i++];
        string st = Console.ReadLine();
        while (st == "") st = Console.ReadLine();
        s = st.Split(cs, StringSplitOptions.RemoveEmptyEntries);
        if (s.Length == 0) return Next();
        i = 0;
        return s[i++];
    }

    public int NextInt()
    {
        return int.Parse(Next());
    }

    public long NextLong()
    {
        return long.Parse(Next());
    }

    public double NextDouble()
    {
        return double.Parse(Next());
    }

    public ulong NextUlong()
    {
        return ulong.Parse(Next());
    }

    public decimal NextDecimal()
    {
        return decimal.Parse(Next());
    }

    public int[] ArrayInt(int N, int add = 0)
    {
        int[] Array = new int[N];
        for (int i = 0; i < N; i++)
        {
            Array[i] = NextInt() + add;
        }
        return Array;
    }

    public double[] ArrayDouble(int N, double add = 0)
    {
        double[] Array = new double[N];
        for (int i = 0; i < N; i++)
        {
            Array[i] = NextDouble() + add;
        }
        return Array;
    }

    public long[] ArrayLong(long N, long add = 0)
    {
        long[] Array = new long[N];
        for (long i = 0; i < N; i++)
        {
            Array[i] = NextLong() + add;
        }
        return Array;
    }
}

class Program
{
    static void Main()
    {
        Scanner sc = new Scanner();
        int A = sc.NextInt();
        int B = sc.NextInt();
        int C = sc.NextInt();

        if (A + B == C)
        {
            Console.WriteLine("Correct");
        }
        else
        {
            Console.WriteLine("Incorrect");
        }
    }
}