import java.util.*;

public class Main{
	public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	}
} import java.util.*; util.* java public class Main{
	public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	}
} Main public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	} main {
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int c=1; c 1 while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			} true {
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			} H = H-n H H-n H n if(H <= 0)
					break; H <= 0 H 0 break; c++ c System.out.println(c) System.out.println System.out System System.out c String arg[] arg public class Main{
	public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	}
} public class Main{
	public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	}
} Main
import java.util.*;

public class Main{
	public static void main(String arg[]){
			Scanner sc = new Scanner(System.in);
			int H = sc.nextInt();
			int n = sc.nextInt();
			int c=1;
			while(true){
				H = H-n;
				if(H <= 0)
					break;	
				c++;
			}
			System.out.println(c);
	}
}