import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int a = sc.nextInt();
        int b = sc.nextInt();
        
        if(a%b==0){
            System.out.println(a/b+1);
        }
        else{
            System.out.println(a/b+1);
        }
    }
}