import java.util.Scanner;

public class N1249 {
   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");
       }
  }
}