Reverse a Sequence

Accept a sequence of comma-separated words as input. Reverse the sequence and print it as output.

Input

A single line holding one or more words separated by commas, with no spaces around the commas.

Output

A single line: the same words in reverse order, separated by commas. There must be no comma after the last word.

Example

Input
1,2,3,4,5

Output
5,4,3,2,1

Your task

Write a complete program: read the input with input() and print the result with print().

Example

Input

1,2,3,4,5

Output

5,4,3,2,1