#843. Unpack a compressed string
You get a string compressed as `letter+number` (example: a3b1c12). Rebuild the original string.
### Input
One line.
### Output
One line.
Examples
Input
b3z12
Output
bbbzzzzzzzzzzzz
Input
x11y1c9
Output
xxxxxxxxxxxyccccccccc
💡 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.