#582. Every 5th character
You are given a text. Starting from the first character, join every 5th character (indexes 0, 5, 2·5, ...) and print the result.
### Input
One line of text.
### Output
One line.
Examples
Input
list loop kayak
Output
llk
Input
computer loop river variable
Output
ctoivb
💡 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.