Longest Word#4099
A word is composed of only letters of the alphabet (a-z, A-Z) and may contain one hyphen (-) or more. Given a text containing words, and other characters (punctuations, numbers, symbols, etc), you are to write a program to find the longest word.
Each letter or a hyphen in a word is counted as . For example,
The length of Apple is .
The length of son-in-law is .
The length of ACM-ICPC is .
A text may contain several lines and paragraphs but the text does not exceed characters. No word can exceed characters. The word E-N-D indicates the end of input.
Print out the longest word in small letters. If there exist several longest words, print only the first one found in the text.
Example 1