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