import anar.*;







void init(){
  Param a = new Param(10);
  Param b = new Param(1.2f);

  p(a);
  p(b);

  Param c = new ParamMul(a,b);

  p(c);

  a.set(3);

  p(a);
  p(c);

  Param d = new ParamSum(a,c);

  p(d);

}

void p(Object s){
  Anar.println("-------------------------");
  Anar.println(s);
}