
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  }
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  }
} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  } main {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  } 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 i = 0; i 0 while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    } true {
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    } if(H-A*i<=0) {
		    		break;
		    	} H-A*i<=0 H-A*i H A*i A i 0 {
		    		break;
		    	} break; i++ i System.out.println(i) System.out.println System.out System System.out i String[] args args public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  }
} public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  }
} Main

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ


		    Scanner scanner = new Scanner(System.in);
		    
		    int H = scanner.nextInt();
		    int A = scanner.nextInt();
		    int i = 0;
		    
		    while(true){
		    	if(H-A*i<=0) {
		    		break;
		    	}
		      i++;
		    }
		    System.out.println(i);
		  }
}
