#594. How many 'n' letters?
You are given a text made of small Latin letters. Count how many times the letter `n` appears.
### Input
One line of text.
### Output
A number.
Examples
Input
window rocket player refer player civic computer
Output
1
Input
computer rocket rocket music rocket python list print
Output
2
💡 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.