import java.util.*;
class Main {
  public static void main(String[]agrs) {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int a = scanner.nextInt();
    int aN = 0;
    
    if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    }
  }
} import java.util.*; util.* java class Main {
  public static void main(String[]agrs) {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int a = scanner.nextInt();
    int aN = 0;
    
    if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    }
  }
} Main public static void main(String[]agrs) {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int a = scanner.nextInt();
    int aN = 0;
    
    if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    }
  } main {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int a = scanner.nextInt();
    int aN = 0;
    
    if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    }
  } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int h = scanner.nextInt(); h scanner.nextInt() scanner.nextInt scanner int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner int aN = 0; aN 0 if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    } h<a h a {
      System.out.println(1);
    } System.out.println(1) System.out.println System.out System System.out 1 {
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    } for(int i=h; i>0; i -=a){
        aN ++;
      } int i=h; int i=h; i h i>0 i 0 i -=a i -=a i a {
        aN ++;
      } {
        aN ++;
      } aN ++ aN System.out.println(aN) System.out.println System.out System System.out aN String[]agrs agrs
import java.util.*;
class Main {
  public static void main(String[]agrs) {
    Scanner scanner = new Scanner(System.in);
    int h = scanner.nextInt();
    int a = scanner.nextInt();
    int aN = 0;
    
    if(h<a){
      System.out.println(1);
    }else{
      for(int i=h; i>0; i -=a){
        aN ++;
      }
      System.out.println(aN);
    }
  }
}