import java.util.Scanner;

public class Main{

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

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

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

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

public class Main{

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