import java.util.*; 
import java.io.*; 

public class Main {
	public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	}
} import java.util.*; util.* java import java.io.*; io.* java public class Main {
	public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	}
} Main public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	} main {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int health = sc.nextInt(); health sc.nextInt() sc.nextInt sc int attack = sc.nextInt(); attack sc.nextInt() sc.nextInt sc int ans = 0; ans 0 while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     } health > 0 health 0 {
    	 health -= attack ; 
    	 ans++ ;
     } health -= attack health attack ans++ ans System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
	public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	}
} public class Main {
	public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	}
} Main
import java.util.*; 
import java.io.*; 

public class Main {
	public static void main(String[] args) throws IOException {
     Scanner sc = new Scanner(System.in);
     int health = sc.nextInt(); 
     int attack = sc.nextInt(); 
     int ans = 0; 
     while( health > 0) {
    	 health -= attack ; 
    	 ans++ ;
     }
     System.out.println(ans); 
	}
}