import java.util.Scanner;

class Main
{
    public static void main(String[]args) {
        int H,A,n;
        n=0;
        Scanner sc=new Scanner(System.in);
        H=sc.nextInt();
        A=sc.nextInt();
        
        while(H>0){
            H-=A;
            n++;
        }
        System.out.println(n);
        sc.close();
    }
} import java.util.Scanner; Scanner java.util class Main
{
    public static void main(String[]args) {
        int H,A,n;
        n=0;
        Scanner sc=new Scanner(System.in);
        H=sc.nextInt();
        A=sc.nextInt();
        
        while(H>0){
            H-=A;
            n++;
        }
        System.out.println(n);
        sc.close();
    }
} Main public static void main(String[]args) {
        int H,A,n;
        n=0;
        Scanner sc=new Scanner(System.in);
        H=sc.nextInt();
        A=sc.nextInt();
        
        while(H>0){
            H-=A;
            n++;
        }
        System.out.println(n);
        sc.close();
    } main {
        int H,A,n;
        n=0;
        Scanner sc=new Scanner(System.in);
        H=sc.nextInt();
        A=sc.nextInt();
        
        while(H>0){
            H-=A;
            n++;
        }
        System.out.println(n);
        sc.close();
    } int H H A A n; n n=0 n 0 Scanner sc=new Scanner(System.in); sc new Scanner(System.in) H=sc.nextInt() H sc.nextInt() sc.nextInt sc A=sc.nextInt() A sc.nextInt() sc.nextInt sc while(H>0){
            H-=A;
            n++;
        } H>0 H 0 {
            H-=A;
            n++;
        } H-=A H A n++ n System.out.println(n) System.out.println System.out System System.out n sc.close() sc.close sc String[]args args
import java.util.Scanner;

class Main
{
    public static void main(String[]args) {
        int H,A,n;
        n=0;
        Scanner sc=new Scanner(System.in);
        H=sc.nextInt();
        A=sc.nextInt();
        
        while(H>0){
            H-=A;
            n++;
        }
        System.out.println(n);
        sc.close();
    }
}