import Foundation

class Entity {
    // Write your code here
    func verify() -> Bool {
        // Write your code here
    }
}

class Student: Entity {
    override func verify() -> Bool {
        // Write your code here
    }
}

class Cat: Entity {
    override func verify() -> Bool {
        // Write your code here
    }
}

// 以下的内容将能够判断名为 ID 的字符串是否满足13位数字，以20xx开头，第5位为1-3的情况，可以直接照搬
// let reFormula = try! NSRegularExpression(pattern: "^20\\d{2}[1-3]\\d{8}$", options: [NSRegularExpression.Options.anchorsMatchLines])
// let matchRange = NSRange(ID.startIndex..<ID.endIndex, in: ID)
// let matchList = reFormula.matches(in: ID, range: matchRange)
// if matchList.count != 1 {
//     return false
// }
// return true

// 以下的内容将能够判断名为 ID 的字符串是否满足13位数字的情况，可以直接照搬
// let reFormula = try! NSRegularExpression(pattern: "^\\d{13}$", options: [NSRegularExpression.Options.anchorsMatchLines])
// let matchRange = NSRange(ID.startIndex..<ID.endIndex, in: ID)
// let matchList = reFormula.matches(in: ID, range: matchRange)
// if matchList.count != 1 {
//     return false
// }
// return true

// 以下的内容将能够判断名为 ID 的字符串是否满足13位数字，开头为0000的情况，可以直接照搬
// let reFormula = try! NSRegularExpression(pattern: "^0000\\d{9}$", options: [NSRegularExpression.Options.anchorsMatchLines])
// let matchRange = NSRange(ID.startIndex..<ID.endIndex, in: ID)
// let matchList = reFormula.matches(in: ID, range: matchRange)
// if matchList.count != 1 {
//     return false
// }
// return true

//测试用，不需要改动
var fly = Entity()
fly.ID = "0000000099003"
fly.name = "蒼蠅"
fly.verify()

var siuming = Student()
siuming.ID = "2021502233076"
siuming.name = "小明"
siuming.verify()

var siuhung = Student()
siuhung.ID = "2022302191000"
siuhung.name = "小紅"
siuhung.verify()

var policecat = Cat()
policecat.ID = "0000999988222"
policecat.name = "警長"
policecat.verify()