Problems
Number of words
Number of words
Find the number of words in the given text.
Input data
The English text is given in one line, the number of characters does not exceed 250. It is guaranteed that the text does not contain dashes, hyphens, digits, or numbers.
Output data
Print the number of words in the text.
Examples
Input example #1
Hello world!
Output example #1
2
Input example #2
Hello world! Hello, country!
Output example #2
4