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 parts[] = br.readLine().split(" ");
		
		int H = Integer.parseInt(parts[0]);
		int A = Integer.parseInt(parts[1]);
		
		int a = H%A;
		
		if(a==0) {
			System.out.println(H/A);
		}else {
			System.out.println(H/A+1);
		}
		
	}

} 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 parts[] = br.readLine().split(" ");
		
		int H = Integer.parseInt(parts[0]);
		int A = Integer.parseInt(parts[1]);
		
		int a = H%A;
		
		if(a==0) {
			System.out.println(H/A);
		}else {
			System.out.println(H/A+1);
		}
		
	}

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

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

} 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 parts[] = br.readLine().split(" ");
		
		int H = Integer.parseInt(parts[0]);
		int A = Integer.parseInt(parts[1]);
		
		int a = H%A;
		
		if(a==0) {
			System.out.println(H/A);
		}else {
			System.out.println(H/A+1);
		}
		
	}

}
