#510. String: Number of words
You are given one line of text. Find and print: **Number of words**.
### Input
One line of text.
### Output
The answer.
Examples
Input
7 forest noon number robot river
Output
6
Input
mouse X9
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.