import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; public class ensyu2 { public static void main(String[] args) { // TODO Auto-generated method stub System.out.println("入力"); BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); try{ String line = reader.readLine(); String line2= reader.readLine(); int kazu1=Integer.parseInt(line); int kazu2=Integer.parseInt(line2); int a =(int)Math.ceil(kazu2/kazu1+0.5f); System.out.println(a); }catch(IOException e){ System.out.println(e); }catch(NumberFormatException e){ System.out.println("数字を入力してください"); } } }