#542. Join letters with '-'
You are given a word. Print it with `-` between the letters (example: cat → c-a-t).
### Input
One word.
### Output
One line.
Examples
Input
racecar
Output
r-a-c-e-c-a-r
Input
scratch
Output
s-c-r-a-t-c-h
💡 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.