def findPath  (EClass input, EClass output){ 
   if (input == output){
   	print("self.")
   }
   else {
      for (referenceIterator : input.EReferences){ 
      if (!isVisited.contains(referenceIterator.EReferenceType)){
      	stackReference.add(referenceIterator) 
      	stackClass.add(referenceIterator.EReferenceType) 
      	isVisited.add(referenceIterator.EReferenceType) 
      	if (referenceIterator.EReferenceType == output){
      		print("self")
      		while(stackClass.iterator.hasNext)
      		print("." + stackClass.iterator.next)
      	}
      	else if (referenceIterator.EReferenceType != output && !referenceIterator.EReferenceType.EReferences.empty) {
      		findPath(referenceIterator.EReferenceType, output)
      	}
      	else if (referenceIterator.EReferenceType.EReferences.empty){
      		stackClass.pop 
      		stackReference.pop
      		findPath(stackClass.last, output)
      	}     	
      	}
      }  
      if (!stackClass.isEmpty() && !stackReference.isEmpty())  {
      	  stackClass.pop
      	  stackReference.pop 
      	  findPath(stackClass.last, output)
      }
      
      }
}