let returnedDate = readLine()!.components(separatedBy: .whitespaces)
let dueDate = readLine()!.components(separatedBy: .whitespaces)

let dueDateComponent: (day: String, month: String, year: String) = (dueDate[0], dueDate[1], dueDate[2])

let returnedComponent: (day: String, month: String, year: String) = (returnedDate[0], returnedDate[1], returnedDate[2])

let dueDateYear = Int(dueDateComponent.year) ?? Int.min
let returnedYear = Int(returnedComponent.year) ?? Int.min

let dueDateMonth = Int(dueDateComponent.month) ?? Int.min
let returnedMonth = Int(returnedComponent.month) ?? Int.min

let dueDateDay = Int(dueDateComponent.day) ?? Int.min
let returnedDay = Int(returnedComponent.day) ?? Int.min

func calculateFine() {
    guard returnedYear >= dueDateYear else {
        print(0)
        return
    }
    
    guard returnedYear == dueDateYear else {
        print(10000)
        return
    }
    
    guard returnedMonth <= dueDateMonth else {
        let diff = returnedMonth - dueDateMonth
        print(diff*500)
        return
    }
    
    guard returnedDay <= dueDateDay else {
        let diff = returnedDay - dueDateDay
        print(diff*15)
        return
    }
    
    print(0)
}

calculateFine()