class square{
  int sqarea(int side){
    int area = side * side;
    return(area);
  }
  int sqpari(int side){
      int pari = 4 * side;
      return(pari);
  }
}
class rectangle{
  int rectarea(int length,int breadth){
    int area = length * breadth;
    return(area);
  }
  int rectpari(int length,int breadth){
    int pari = 2*(length + breadth);
    return(pari);
  }
}
public class ObjectClass{
  public static void main(String args[]){
    int sarea1,sarea2,pari1,pari2;
    int rectarea1,rectarea2,rectpari1,rectpari2;
    square sq = new square();
    rectangle rect = new rectangle();
    int a=20;
    System.out.println("Side of first square = " + a);
    sarea1 = sq.sqarea(a);
    pari1 = sq.sqpari(a);
    System.out.println("Area of first square = " + sarea1);
    System.out.println("Parimeter of first square = " + pari1);
    a = 30;
        System.out.println("Side of second square = " + a);
    sarea2 = sq.sqarea(a);
    pari2 = sq.sqpari(a);
    System.out.println("Area of second square = " + sarea2);
    System.out.println("Parimeter of second square = " + pari2);
    int x = 10, y = 20;
    System.out.println("Length of first Rectangle = " + x);
        System.out.println("Breadth of first Rectangle = " + y);
    rectarea1 = rect.rectarea(x,y);
    rectpari1 = rect.rectpari(x,y);
    System.out.println("Area of first Rectangle = " + rectarea1);
    System.out.println("Parimeter of first Rectangle = " + rectpari1);
    x = 15;
    y = 25;
    System.out.println("Length of second Rectangle = " + x);
        System.out.println("Breadth of second Rectangle = " + y);
    rectarea2 = rect.rectarea(x,y);
    rectpari2 = rect.rectpari(x,y);
    System.out.println("Area of second Rectangle = " + rectarea2);
    System.out.println("Parimeter of first Rectangle = " + rectpari2);
  }
}