Форматированный вывод

print("Welcome to the Bill Split Calculator!")

if let billInput = readLine(), let billTotal = Double(billInput) {
    if let tipInput = readLine(), let tipPercentage = Int(tipInput) {
        if let peopleInput = readLine(), let numberOfPeople = Int(peopleInput) {
            let tipAmount = billTotal * Double(tipPercentage) / 100
            let totalWithTip = billTotal + tipAmount
            let amountPerPerson = totalWithTip / Double(numberOfPeople)
            
            print("Bill: \(billTotal)")
            print("Tip: \(tipPercentage)%")
            print("People: \(numberOfPeople)")
            print("Tip amount: \(tipAmount)")
            print("Total with tip: \(totalWithTip)")
            print("Each person pays: \(amountPerPerson)")
        }
    }
}