import java.util.Scanner;

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( (A+B)== C ){
            System.out.println("Correct");
        }else{
            System.out.println("Incorrect");
        }

    }

}