import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

		if (c == a + b) {
			System.out.println("Correct");
		} else {
			System.out.println("Incorrect");
		}
    }
}