import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	}
} Main public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	} main {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	} Scanner input = new Scanner(System.in); input new Scanner(System.in) float H =input.nextFloat(); H input.nextFloat() input.nextFloat input float A =input.nextFloat(); A input.nextFloat() input.nextFloat input float n =  H/A ; n H/A H A System.out.println((int)Math.ceil(n)) System.out.println System.out System System.out (int)Math.ceil(n) Math.ceil Math n String[] args args public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	}
} public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		float H =input.nextFloat();
		float A =input.nextFloat();	
		float n =  H/A ;
		System.out.println((int)Math.ceil(n));	
	}
}
