import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();

        if(H%A==0){
            System.out.println(H / A);
        }
        else if(H%A!=0){
            System.out.println(H /A + 1);
        }
    }
} import java.util.*; util.* java public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();

        if(H%A==0){
            System.out.println(H / A);
        }
        else if(H%A!=0){
            System.out.println(H /A + 1);
        }
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();

        if(H%A==0){
            System.out.println(H / A);
        }
        else if(H%A!=0){
            System.out.println(H /A + 1);
        }
    } main {
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();

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

        int H = sc.nextInt();
        int A = sc.nextInt();

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

        int H = sc.nextInt();
        int A = sc.nextInt();

        if(H%A==0){
            System.out.println(H / A);
        }
        else if(H%A!=0){
            System.out.println(H /A + 1);
        }
    }
} Main
import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int H = sc.nextInt();
        int A = sc.nextInt();

        if(H%A==0){
            System.out.println(H / A);
        }
        else if(H%A!=0){
            System.out.println(H /A + 1);
        }
    }
}
