61. Counter (100 points)

Time Limit: 1 seconds

Memory Limit: 1024 MB

Rating: 800

Problem Statement

Given a string S, count the number of A's present in the string. This includes both the uppercase 'A' and the lowercase 'a'.

For example:
'hello my name is Alligator' would have 1 'A' and 2 'a's present, making a total of 3.

Input

The first line has string S, the length of which does not exceed 105.

Output

Output the sum of the number of characters "a" and the number of characters "A" present in S.

Sample Cases
Sample Input 1:
hello my name is Alligator

Sample Output 1:
3


Sample Input 2:
aaaaAAaaAaaaa!! i died lmao

Sample Output 2:
14
Explanation

Not available for this problem.

Sources

IanOJ Contest #2 (Div. 4) > Problem A (Contributed by HungJan)

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