import java.util.*;

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