import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	} main {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int tairyoku = sc.nextInt(); tairyoku sc.nextInt() sc.nextInt sc int kougeki = sc.nextInt(); kougeki sc.nextInt() sc.nextInt sc int kaisu = tairyoku/kougeki; kaisu tairyoku/kougeki tairyoku kougeki int tmp = tairyoku%kougeki; tmp tairyoku%kougeki tairyoku kougeki if(tmp != 0) {
			kaisu = kaisu +1;
		} tmp != 0 tmp 0 {
			kaisu = kaisu +1;
		} kaisu = kaisu +1 kaisu kaisu +1 kaisu 1 System.out.println(kaisu) System.out.println System.out System System.out kaisu String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		// 体力の入力
		int tairyoku = sc.nextInt();
		// 攻撃の入力
		int kougeki = sc.nextInt();
		
		int kaisu = tairyoku/kougeki;
		int tmp = tairyoku%kougeki;
		if(tmp != 0) {
			kaisu = kaisu +1;
		}
		
		System.out.println(kaisu);
		
	}
}