Suggested problems

Avianca Airlines Tickets | Avianca Flights | Avianca Colombia

Jan. 8, 2020, 10:36 a.m. by crisray11

Biological Motivation

[Avianca Airlines Tickets][1]. Book Avianca Airlines Flights On Prominent Routes With Best Avianca Colombia Deals. Speak With Avianca Airlines Customer Service.



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