Suggested problems

Does Cogeco Email Customer Service have live chat?

Aug. 31, 2022, 9:07 p.m. by David Miller

Biological Motivation

Yes, [Cogeco Email Customer Service][1] provides the facility of a live chat to its users. If users prefer text messaging to calling, they can chat with a live agent to handle most requests, including booking installations, making changes to their account, and troubleshooting service issues.



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