package main

import ("fmt")

func main() {
  var a int
  var b int
  fmt.Scanf("%d",&a)
  fmt.Scanf("%d",&b)
  if (a/b >= 2) {
    fmt.Println("Yes")
  } else if (b/a >= 2) {
    fmt.Println("Yes")
  } else {
    fmt.Println("No")
  }
}