Number of words

Execution time limit is 1 second

Runtime memory usage limit is 128 megabytes

Find the number of words in the given text.

Input

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

Print the number of words in the text.

Examples

Input #1

Answer #1

Input #2

Answer #2

Submissions 26K

Acceptance rate 55%