import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	}

} Main public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	} main {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	} 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 int cnt=0; cnt 0 for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		} int i=0; int i=0; i 0 h>0 h 0 i++ i++ i {
			h-=a;
			cnt++;
		} {
			h-=a;
			cnt++;
		} h-=a h a cnt++ cnt System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	}

} public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt();
		int a=sc.nextInt();
		int cnt=0;
		
		for(int i=0;h>0;i++) {
			h-=a;
			cnt++;
		}
		System.out.println(cnt);
	}

}
