#574. 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
computer
Output
c.o.m.p.u.t.e.r
Input
input
Output
i.n.p.u.t
💡 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.