import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class Main {
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    }
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.io.PrintWriter; PrintWriter java.io public class Main {
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    }
} Main public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    } main {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    } BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String read = null; read null try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        } catch (IOException e){
            e.printStackTrace();
        } IOException e {
            e.printStackTrace();
        } e.printStackTrace() e.printStackTrace e {
            read = br.readLine();
            br.close();
        } read = br.readLine() read br.readLine() br.readLine br br.close() br.close br String str[] = read.split(" ", 0); str read.split(" ", 0) read.split read " " 0 int h = Integer.parseInt(str[0]); h Integer.parseInt(str[0]) Integer.parseInt Integer str[0] str 0 int a = Integer.parseInt(str[1]); a Integer.parseInt(str[1]) Integer.parseInt Integer str[1] str 1 PrintWriter pw = new PrintWriter(System.out); pw new PrintWriter(System.out) int i = 0; i 0 while (h > 0) {
            h = h - a;
            i++;
        } h > 0 h 0 {
            h = h - a;
            i++;
        } h = h - a h h - a h a i++ i pw.println(i) pw.println pw i pw.flush() pw.flush pw String[] args args public class Main {
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    }
} public class Main {
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    }
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;

public class Main {
    public static void main(String[] args) {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        String read = null;
        try {
            read = br.readLine();
            br.close();
        } catch (IOException e){
            e.printStackTrace();
        }
        String str[] = read.split(" ", 0);
        int h = Integer.parseInt(str[0]);
        int a = Integer.parseInt(str[1]);
        PrintWriter pw = new PrintWriter(System.out);
        int i = 0;
        while (h > 0) {
            h = h - a;
            i++;
        }
        pw.println(i);
        pw.flush();
    }
}