import java.util.Scanner;

class Main{
 public static void main(String args[]){
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int A = sc.nextInt();

   for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   }
   
 }
} import java.util.Scanner; Scanner java.util class Main{
 public static void main(String args[]){
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int A = sc.nextInt();

   for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   }
   
 }
} Main public static void main(String args[]){
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int A = sc.nextInt();

   for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   }
   
 } main {
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int A = sc.nextInt();

   for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   }
   
 } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   } int i=1; int i=1; i 1 i++ i++ i {
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   } {
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   } H=H-A H H-A H A if(H<=0){
     
       System.out.println(i);
       break;
     } H<=0 H 0 {
     
       System.out.println(i);
       break;
     } System.out.println(i) System.out.println System.out System System.out i break; String args[] args
import java.util.Scanner;

class Main{
 public static void main(String args[]){
   Scanner sc = new Scanner(System.in);
   int H = sc.nextInt();
   int A = sc.nextInt();

   for(int i=1;;i++){
    H=H-A;
     if(H<=0){
     
       System.out.println(i);
       break;
     }
   }
   
 }
}
