Aleaksandr Stsepanenko

                            
                                const createDreamTeam = (members) => {

                                    if (!Array.isArray(members)) return false

                                    return members

                                    .filter(m => typeof m === 'string')

                                    .map(m => m.trim()[0].toUpperCase())

                                    .sort()

                                    .join('')

                                }