public class prostopadłościan extends kwadrat  {
    private int wysokosc;
    public prostopadłościan()
    {
        super();
        this.wysokosc=1;
    }
    public prostopadłościan(int c,int d)
    {
        super(d);
        this.wysokosc=c;
    }
public int  pole(int a)
{
    return(a*pole()*2+4*zwrocBok()*wysokosc);

}
public int zwrocwyskosc()
{
   return wysokosc;
}
}
public class kwadrat {
    private  int bok;
    public kwadrat()
    {
        bok=1;
    }
    public kwadrat(int b)
    {
        bok=b;
    }
    public kwadrat(kwadrat a)
    {
        this.bok=a.bok;
    }
    public int zwrocBok()
    {
        return bok;
    }
    public int pole()
    {
        return (bok*bok);
    }

}
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Collections;
import java.util.List;

public class Aplikacja {
    public static void main(String args[]) throws Exception
    {
        String data = "";
        data = new String(Files.readAllBytes(Paths.get("huju")));


String w[];
w=data.split("\n");
String c[];
int a=0;
int b;
for(int i=w.length-1;i>=0;i--) {
    System.out.println(w[i]);
    c=w[i].split(" ");
    if(c.length==2)
    {
        a=Integer.parseInt(c[1]);
        b=Integer.parseInt(c[0]);
        prostopadłościan d=new prostopadłościan(a,b);
        System.out.println("prostopadłościan ");
        System.out.println("pole=" + d.pole(b));



    }
    else
    {

        a=Integer.parseInt(c[0]);
        System.out.println(a);
        kwadrat d=new kwadrat(a);
        System.out.println("kwadrat");
        System.out.println("pole"+d.pole());
        System.out.println("bok"+d.zwrocBok());
        System.out.println("wysokosc"+d.z());

    }
}
    }
}