class Lessemsaurus : Dinosaur {
   public Lessemsaurus (string theName, int length){
      this.Name = theName;
      this.Length = length;
   }
 }

 class Diplodocus : Dinosaur {
   public Diplodocus (string theName, int length){
      this.Name = theName;
   }
 }

 class Allosaurus : Dinosaur {
   public Allosaurus (string theName, int length){
      this.Name = theName;
      this.Length = length;
   }
 }
 class TRex : Dinosaur {
   public TRex (string theName, int length){
      this.Name = theName;
      this.Length = length;
   }
 }