let input = readLine()
if let input = input {
    print(input) //Input will be printed out
}

let input = Int(readLine()!)
if let input = input {
    print(input) //Input integer will be printed out.
}

let input = String(readLine()!)
if let input = input {
    print(input) //Input Stirng will be printed out.
}

let input = readLine()
if let input = input {
    let numbersFromKeyboard = input.split(separator: " ")
    let numbers = numbersFromKeyboard.map { Int(String($0))! }
    print(numbers)
}