import java.util.Scanner;
public class Main {
	public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	}
} Main public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	} main {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) double h = s.nextDouble(); h s.nextDouble() s.nextDouble s double a = s.nextDouble(); a s.nextDouble() s.nextDouble s double c = h/a; c h/a h a if(h%a!=0) {
			c++;
		} h%a!=0 h%a h a 0 {
			c++;
		} c++ c System.out.print((short)c) System.out.print System.out System System.out (short)c String[]args args public class Main {
	public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	}
} public class Main {
	public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	}
} Main
import java.util.Scanner;
public class Main {
	public static void main(String[]args) {
		Scanner s = new Scanner(System.in);
		double h = s.nextDouble();
		double a = s.nextDouble();
		double c = h/a;
		if(h%a!=0) {
			c++;
		}
		System.out.print((short)c);
	}
}