Suggested problems

Careprost online

Feb. 2, 2021, 8:19 a.m. by Jaime_Corbett

Biological Motivation

Careprost is available at a reasonable price in many pharmacies available online so anyone who wants to control their overall fluid pressure should buy careprost online. The problem of fluid pressure in the eye is called glaucoma and not treating this problem in time can make a person blind. These drops are easily available so one can order the drops from home.

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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