Suggested problems

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Feb. 27, 2023, 6:33 a.m. by johnrusso555000

Biological Motivation

Buy Tramadol Online. It is a strong synthetic opioid that belongs to the class of drugs known as opioids or narcotic analgesics. This oral therapy prescription acts as a synthetic opioid and helps adults and children treat moderate to severe pain. You can get immediate relief if you suffer from any type of pain, such as back pain, chest pain, surgery, severe injury, or pain after the operation. Tramadol long-acting or extended-release tablets and capsules are available on the market. Tramadol binds to the Mu- receptors in the brain, preventing pain signals from reaching the body. As a result, it acts on the nerve cells and spine in the central nervous system to improve performance.


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