"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."
There is no input in this problem.
Print the number of letter "a" in the article.
This program will be like the following example in C and C++ Just replace the 17 with correct number of "a"