Suggested problems


Nov. 4, 2022, 9:35 a.m. by norxhealthcare

Biological Motivation


If you are looking to buy Ambien online, there are a few things that you should keep in mind. First of all, Ambien is a prescription medication, so you will need to have a valid prescription in order to purchase it. Secondly, Ambien is a controlled substance, so it is important to make sure that you are buying it from a reputable source.There are a few different ways that you can buy Ambien online. The first option is to purchase it from a traditional pharmacy. However, this can be difficult as many pharmacies do not stock Ambien or other controlled substances. If you do manage to find a pharmacy that stocks Ambien, you will likely have to pay a higher price for it.The second option for buying Ambien online is to purchase it from an online pharmacy. There are many advantages to buying Ambien from an online pharmacy. First of all, online pharmacies typically offer lower prices than traditional pharmacies. Secondly, online pharmacies typically have a wider selection of medications available, so you are more likely to find the specific medication that you need. Finally, online pharmacies are typically more convenient as they allow you to have your medication delivered right to your door.


A string is simply an ordered collection of symbols selected from some alphabet and formed into a word; the length of a string is the number of symbols that it contains.

An example of an DNA string (whose alphabet contains the symbols A, C, G, and T) is ATGCTTCAGAAAGGTCTTACG.

Given: A DNA string $s$ of length at most 1000 nucleotides.

Return: Four integers corresponding to the number of times that the symbols A, C, G, and T occur in $s$.

Sample Dataset


Sample Output

20 12 17 21