import java.util.Scanner;

public class Hajimeno_N_ho{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        sc.close();

        int walk = a/b;
        if(walk*a == b){
            System.out.println(walk);
        }else{
            System.out.println(walk+1);
        }
    }
}