import java.util.Scanner;
public class No46 {
  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    long a, b, ans;
    a = sc.nextLong();
    b = sc.nextLong();
    ans = b / a;
    if (b % a != 0) {
      ans ++;
    }
    System.out.println(ans);
  }
}