Counting a’s (2)

Write a program that reads a sequence of characters and prints the number of letters ‘a’ in the sequence before the first period.

Input

Input consists of a sequence of characters with at least one period.

Output

Print the number of times that ‘a’ appears in the sequence before the first period.

Observation

The expected solution for the exercise problem://problemsjutge.org:problems/p1/roura/comptar-as.pbm is also a correct solution for this exercise.

Problem information

Author: Unknown
Translator: Carlos Molina

Generation: 2026-01-25T11:32:39.343Z

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