nodo *eliminaPari(nodo *p)
{
nodo *tmp;
int logica = 1;
while(p!=NULL && logica)
{
 if (p–>val % 2 == 0)
    {
        p = p–>next;
     }
  else
  logica = 0;
}
  tmp = p;
  while(tmp–>next != NULL)
   {
     if (tmp–>next–>val % 2 == 0)
     tmp–>next = tmp–>next–>next;
     else
     tmp = tmp–>next;
   }
return (p);
}