URAL 1601. AntiCAPS （strings）

You are given Angela’s message, which consists of uppercase English letters,spaces, line breaks and punctuation marks: full stops, commas, dashes, colons, exclamationand question marks. Total length of message is not exceeding 10000 symbols.

，与一个赏心悦目的人错肩，真真实实的活着，也就够了。