import scala.math._
import scala.collection.mutable.ListBuffer

object Main {
  //rt.gc()??§??¬??????????????¬?????????????????????
  //val rt = Runtime.getRuntime()
  val sc = new java.util.Scanner(System.in)
  def main(args: Array[String]) {
    println((1 to 10).map(_ => sc.nextInt).sum)
  }
}