fun main(args: Array<String>) {
    val (x, y) = readInputLine().split(" ").map{it.toLong()}
    
    var now = x
    var cnt = 1L
    
    while (true) {
        if (now * 2L <= y) {
            now = now * 2L
            cnt++
        } else {
            break
        }
    }
    
    println(cnt)
}

fun readInputLine(): String {
    return readLine()!!
}
