import java.util.Scanner;

class Yukicode{
    public static void main(String[]args){
        System.out.print("数値を入力してください");

        Scanner scanner = new Scanner(System.in);

        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        
        scanner.close();

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