Easystrings

Count Words

Time limit 2 s · Memory 64 MB

Statement

You are given one line. Words are separated by one or more spaces; there may also be spaces at the start and the end of the line. Print the number of words.

Constraints

String length is between 1 and 10^5

Examples

Input 1

hello world

Output 1

Input 2

  leading and   trailing

Output 2

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