like from this ```fun main(args: Array<String&g...

# announcements

[cypher121]

like from this

fun main(args: Array<String>) {
    println(generateSequence { readLine() }.map { it.trim() }
    							.filter { it.isNotEmpty() }
    							.map { it.takeWhile { it.isDigit() } }
    							.map { it.toInt() }
    							.sum()
           )
}