import java.util.Scanner;

public class HelloWorld {

	    public static void main(String[] args) throws Exception {

	    	Scanner sc = new Scanner(System.in);
	    	int a = sc.nextInt();
	    	int b = sc.nextInt();
	    	int c = sc.nextInt();

	    	System.out.println(a + b == c ? "Correct":"Incorrect");
	    	}

}