import java.util.Scanner;
import static java.lang.Math.ceil;

public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    }
} import java.util.Scanner; Scanner java.util import static java.lang.Math.ceil; import static java.lang.Math.ceil; import static java.lang.Math.ceil; public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    }
} Main public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    } main {
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    } 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 System.out.print((int)ceil(((double)H)/A)) System.out.print System.out System System.out (int)ceil(((double)H)/A) ceil ((double)H)/A ((double)H) A 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();
        System.out.print((int)ceil(((double)H)/A));
    }
} public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    }
} Main
import java.util.Scanner;
import static java.lang.Math.ceil;

public class Main{
    public static void main(String[]args){
        Scanner sc=new Scanner(System.in);
        int H=sc.nextInt();
        int A=sc.nextInt();
        System.out.print((int)ceil(((double)H)/A));
    }
}