#531. Words longer than 3
You are given some words. How many words have more than 3 letters?
### Input
One line.
### Output
A number.
Examples
Input
print window forest refer game
Output
5
Input
number window kayak flower
Output
4
💡 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.