import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    } main {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int H = sc.nextInt(); H sc.nextInt() sc.nextInt sc int A = sc.nextInt(); A sc.nextInt() sc.nextInt sc for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        } int i = 0; int i = 0; i 0 i < 100000 i 100000 i++ i++ i {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        } {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        } if (i * A >= H) {
                System.out.println(i);
                return;
            } i * A >= H i * A i A H {
                System.out.println(i);
                return;
            } System.out.println(i) System.out.println System.out System System.out i return; String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    }
} Main
import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int H = sc.nextInt();
        int A = sc.nextInt();

        for (int i = 0; i < 100000; i++) {
            if (i * A >= H) {
                System.out.println(i);
                return;
            }
        }
    }
}
