class Main {
    public static void main(String[] args) {
        Child c = new Child(5); 
    }

    class Parent {
        Parent(int x) {
            System.out.print("x");
        }

        Parent(String A) {
            System.out.print(A); 
        }
    }

    class Child extends Parent {
        Child(String name) {
            super("10"); // استدعاء constructor of Parent with String parameter
            System.out.print(name);
        }
    }
}