import java.util.Scanner;

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

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