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