let student = ("Romantsev", "Igor", "Vitalevich")
switch student {
    case (_, let name, _) where ((name[name.startIndex] == "A") || (name[name.startIndex] == "O")): print("Hello \(name)")
    case (_, _, let fathName) where ((fathName[fathName.startIndex] == "V") || (fathName[fathName.startIndex] == "D")): print("Hello \(student.1) \(fathName)")
    case (let surname, _, _) where ((surname[surname.startIndex] == "E") || (surname[surname.startIndex] == "Z")): print("Hello \(surname)")
    default: print("Hello \(student.0) \(student.1) \(student.2)")
}


//4 задание
for i in 0..<1 {
    for j in 0..<1 {
        let point : (x: String?, y: String?) = (readLine(), readLine())
        switch point {
            case (""
        }
    }
}