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();
        int count = 1;
        while(a >= b){
            a = a - b;
            count++;
        }
        
        System.out.println(count);
    }
}