March 24, 2021, 8:23 a.m. by Jaime_Corbett
Vilitra 60 is the most powerful and effective erectile dysfunction drug and works for almost all men. This Vilitra medicine made from Vardenafil has fast action time so people prefer this medicine more. The basis of strength during intercourse is the same vilitra drug so it should be taken half an hour before intercourse activity.
An example of an DNA string (whose alphabet contains the symbols A, C, G, and T) is ATGCTTCAGAAAGGTCTTACG.
Given: A DNA string
Return: Four integers corresponding to the number of times that the symbols A, C, G, and T occur in
20 12 17 21