import scala.io.StdIn

object Main extends App {
  val Array(x, y) = StdIn.readLine().split(' ').map(_.toLong)
  
  var before: Double = x
  var cnt = 0
  while(before <= y){
    cnt += 1
    before = x * scala.math.pow(2, cnt)
  }
  println(cnt)
  
}