import java.util.Scanner;

public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	}
} Main public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	} main {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int H = Integer.parseInt(scan.next()); H Integer.parseInt(scan.next()) Integer.parseInt Integer scan.next() scan.next scan int A = Integer.parseInt(scan.next()); A Integer.parseInt(scan.next()) Integer.parseInt Integer scan.next() scan.next scan int num = 0; num 0 if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		} H % A == 0 H % A H A 0 {
			num = H / A;
		} num = H / A num H / A H A { 
			num = H / A + 1; 
		} num = H / A + 1 num H / A + 1 H / A H A 1 System.out.println(num) System.out.println System.out System System.out num String args[] args public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	}
} public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main (String args[]) {
		Scanner scan = new Scanner(System.in);
		int H = Integer.parseInt(scan.next());
		int A = Integer.parseInt(scan.next());
		int num = 0;
		if(H % A == 0) {
			num = H / A;
		} else { 
			num = H / A + 1; 
		}
		System.out.println(num);
	}
}