Longest and Shortest Word

Problem Description

Input one line of a sentence (at most $200$ words, each word at most $100$ characters long), containing only letters, spaces, and commas. A word consists of one or more consecutive letters, and words are separated by spaces or commas.

Output the first longest word and the first shortest word.

Input Format

One line containing a sentence.

Output Format

Two lines of output:

• The first line: the first longest word.
• The second line: the first shortest word.

Sample Input

I am studying Programming language C in Peking University

Sample Output

Programming
I