有一个魔王总是使用自己的一种非常精练而抽象的语言讲话，没有人能听懂，但他的语言是可以逐步解释成人能听懂的语言，因为他的语言是由以下两种形式的规则由人的语言逐步抽象上去的：



（1）α->β1β2……βm



（2）（θδ1δ2……δn）—>θδnθδn-1……θδ1θ



在这两种形式中，从左到右均表示解释。试写一个魔王语言的解释系统，把他的话解释成人能听得懂的话；

-There is a devil always use their own in a very concise and abstract language of speech, no one can understand, but his interpretation of language can be gradually able to understand the language of adults, because his language is the following two forms of the rules of the language gradually by the people up the abstract: (1) α->　β1β2 ... ... βm (2) (θδ1δ2 ... ... δn)->　θδnθδn-1 ... ... θδ1θ In both forms, from left to right are indicated explained. Try to write a devil language interpretation systems, to explain what he said adults can understand the words