/**
 * Created by hichikawa on 2015/11/01.
 */

fun main(args: Array<String>) {
    val str = readLine() as String
    val strArray = str.split(" ")
    val numA = strArray[0].toLong()
    val numB = strArray[1].toLong()
    if(numB % numA == 0.toLong()) {
        println(numB / numA)
    } else {
        println(numB / numA + 1)
    }
}