import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	}
}


 import java.util.*; util.* java public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	} main {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int h = scan.nextInt(); h scan.nextInt() scan.nextInt scan int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan 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 String[] args args public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	}
} Main
import java.util.*;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		int h = scan.nextInt();
		int a = scan.nextInt();
		
		if(h%a !=0) {
			System.out.println(h/a+1);
		}else {
			System.out.println(h/a);
		}
	}
}



