#537. Compress a string
You are given a string of small letters. Write each run of the same letter as `letter+count` (example: aaabcc → a3b1c2).
### Input
One line.
### Output
The compressed string.
Examples
Input
aaabbbbbbbbbaaa
Output
a3b9a3
Input
ccbaaaac
Output
c2b1a4c1
💡 You can solve it with Python, JavaScript or blocks. Read the input line by line with input(). Don't print a question (like input("Number: ")). Print exactly what the output asks for, nothing more.