Установка : https://asciinema.org/a/egEE0yuu33z9BB2ew36REJux6
brain-even : https://asciinema.org/a/TleVCi7WWFcXsGzRK5xDb8dsd
brain-calculyator : https://asciinema.org/a/EYsyQiiowN2Mds8KvWXwMVzNz
brain-gcd : https://asciinema.org/a/OEAbvYBZQrs0Cn4EFhZKQsPZz
brain-progression : https://asciinema.org/a/zz4SW0TF1Tpo7qcD2PggPJt75
brain-prime: https://asciinema.org/a/kC2fNa0Ov0OIMKr068OTsjkU2