public class Task180825 {
    static void method(Object x) {
        System.out.println("Object");
    }
    
    static void method(String x) {
        System.out.println("String");
    }
    
    static void method(Integer x) {
        System.out.println("Integer");
    }
    
    public static void main(String[] args) {
        method(null);
    }
}

class A190825 {
    static {
        System.out.print("1");
    }
    
    {
        System.out.print("2");
    }
    
    public A190825() {
        System.out.print("3");
    }
}

class B190825 extends A190825 {
    static {
        System.out.print("4");
    }
    
    {
        System.out.print("5");
    }
    
    public B190825() {
        System.out.print("6");
    }
}

public class Task190825 {
    public static void main(String[] args) {
        new B190825();
        System.out.print("7");
        new B190825();
    }
}

import java.io.*;

class Data200825 implements Serializable {
    private static final long serialVersionUID = 1L;
    transient int x = 10;
    int y = 20;
}

public class Task200825 {
    public static void main(String[] args) throws Exception {
        Data200825 original = new Data200825();
        
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        new ObjectOutputStream(baos).writeObject(original);
        
        Data200825 restored = (Data200825) new ObjectInputStream(
            new ByteArrayInputStream(baos.toByteArray())).readObject();
        
        System.out.println(restored.x + " " + restored.y);
    }
}