import scala.io.StdIn._

object Main  {
  def main(args: Array[String]): Unit = {
    val Array(n,m) = readLine.split(" ").map(_.toLong)
    println(f"${solve(n,m)}")
  }

  def solve(n: Long, m: Long): Long = {
    def pow(m: Long, acc: Long): Long = {
      m match {
        case 0 => acc
        case _ => pow(m-1,2*acc)
      }
    }
    val a = pow(m,1)

     (100*(n-m) + 1900*m)*a
  }
}
