#563. 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
robot
Output
r*o*b*o*t
Input
castle
Output
c*a*s*t*l*e
💡 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.