    fun main(args: Array<String>) {
        val sc = if (args.size > 1) java.util.Scanner(java.io.File(args[1])) else java.util.Scanner(System.`in`)
        solve(sc)
    }

    fun solve(sc: java.util.Scanner) {
        val X = sc.nextLong()
        val Y = sc.nextLong()
        var n = X
        var i = 1
        while (n * 2 <= Y) {
            n *= 2
            i++
        }
        println(i)
    }
