class gene
{
  int id;
  int repeat;
  gene child;
  float heading;
  gene()
  {
    child=null;
  }
  gene(gene g)
  {
    id=g.id;
    repeat=g.repeat;
    child=g.child;
    heading=g.heading;
  }
  gene(int i,int r,float h)
  {
    id=i;
    repeat=r;
    heading=h;
    child=null;
  }
  gene(int i,int r,gene g,float h)
  {
    id=i;
    repeat=r;
    child=new gene(g);
    heading=h;
  }
}