import java.io.*; 

            public class PolyApplication 
            { 
            public static void main (String args[]) throws IOException { 

            // (ii) 
            System.out.println ( " Please, type in one of the following :"); 
            System.out.println ( " \t\tShape"); 
            System.out.println ( " \t\tCircle"); 
            System.out.println ( " \t\tRectangle"); 
            System.out.println ( " \t\t============"); 

            // (iii) 
            BufferedReader stdin = new BufferedReader( 
            new InputStreamReader (System.in)); 
            String choice = stdin.readLine(); 

            // (iv) 
            Shape s; 

            if ((choice.equals("Shape")) || (choice.equals("shape"))) 
            s = new Shape(10, 10); 
            else if ((choice.equals("Circle")) || (choice.equals("circle"))) 
            s = new Circle(20, 20, 20); 
            else if ((choice.equals("Rectangle")) || (choice.equals("rectangle"))) 
            s = new Rectangle(30,30,30,30); 
            else 
            s = new Shape(100, 100); 

            s.drawShape(); 

            } 


            } 


            class Shape 
            { 
            protected int x, y; 

            Shape (int x, int y) 
            { 
            this.x = x; 
            this.y = y; 
            } // Shape (int x, int y) 

            public void drawShape () 
            { 
            System.out.println ("Shape : " + "x=" + x + " y=" + y +"."); 
            } // public void drawShape () 

            } // class Shape 

            class Circle extends Shape 
            { 
            private int radius; 

            Circle (int x, int y, int radius) 
            { 
            super (x, y); 
            this.radius = radius; 
            } // Circle (int x, int y, int radius) 

            public void drawShape () 
            { 
            System.out.println ("Circle : " + "x=" + x + " y=" + y + " radius=" + radius +
"."); 
            } // public void drawShape () 

            } // class Circle extends Shape 

            class Rectangle extends Shape 
            { 
            private int width, height; 

            Rectangle (int x, int y, int width, int height) 
            { 
            super (x, y); 
            this.width = width; 
            this.height = height; 
            } // Rectangle (int x, int y, int width, int height) 

            public void drawShape () 
            { 
            System.out.println ("Rectangle : " + "x=" + x + " y=" + y + " width=" + width + " height=" + height + "."); 
            } // public void drawShape () 

            } // class Rectangle extends Shape