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A - Simple print
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Time Limit: 2 second(s) Memory Limit: 32 MB

Problem A

Simple Print

standard I/O
code

Print how many a's are in the following article.

"This is our first prograaaaaaamming contest in ZHSUST. I aaaam very excited aaaaabout it. This is my first problem aaaand I'l solve it. But first I have to understaaaaaaand whaaaaat does this problem saaaaaaid. O, now I understaaaaand, I just haaave to count the number of the letter "a" in this aaarticle, aaaand I have to print the number."

Input

There is no input in this problem.

Output

Print the number of letter "a" in the article.

Hints

This program will be like the following example in C and C++
Just replace the 17 with correct number of "a"



hints.jpg

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