cn

import Foundation

func getln() -> String {
    let stdin = NSFileHandle.fileHandleWithStandardInput()
    var input = NSString(data: stdin.availableData, encoding: NSUTF8StringEncoding)
    input = input!.stringByTrimmingCharactersInSet(NSCharacterSet.newlineCharacterSet())
    return input as! String
}

print("Hello, what's your name?")
let input = getln()
print(input)