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

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	}
} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	}
} Main public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String[] line = br.readLine().split(" "); line br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " int h = Integer.parseInt(line[0]); h Integer.parseInt(line[0]) Integer.parseInt Integer line[0] line 0 int a = Integer.parseInt(line[1]); a Integer.parseInt(line[1]) Integer.parseInt Integer line[1] line 1 if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		} h%a!=0 h%a h a 0 {
			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 {
			System.out.println(h/a);
		} System.out.println(h/a) System.out.println System.out System System.out h/a h a br.close() br.close br String[] args args public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	}
} public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	}
} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String[] line = br.readLine().split(" ");
		
		int h = Integer.parseInt(line[0]);
		int a = Integer.parseInt(line[1]);
		
		if(h%a!=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
		

		br.close();
	}
}
