import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	} main {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h=sc.nextInt() h sc.nextInt() sc.nextInt sc w=sc.nextInt(); w sc.nextInt() sc.nextInt sc int count=0; count 0 while(h-w*count>0)count++; h-w*count>0 h-w*count h w*count w count 0 count++ count System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	}

} public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	}

} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int h=sc.nextInt(),w=sc.nextInt();;
		//long n=sc.nextLong(),y=sc.nextLong();
		int count=0;
		while(h-w*count>0)count++;
		System.out.println(count);

	}

}
