import java.util.*;

public class Main {

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

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    }
} import java.util.*; util.* java public class Main {

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

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    }
} Main public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int H = stdIn.nextInt();
        int A = stdIn.nextInt();
        stdIn.close();

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    } main {
        Scanner stdIn = new Scanner(System.in);
        int H = stdIn.nextInt();
        int A = stdIn.nextInt();
        stdIn.close();

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    } Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int H = stdIn.nextInt(); H stdIn.nextInt() stdIn.nextInt stdIn int A = stdIn.nextInt(); A stdIn.nextInt() stdIn.nextInt stdIn stdIn.close() stdIn.close stdIn int count = 0; count 0 if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        } H > A H A {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            } H % A == 0 H % A H A 0 {
                count = H / A;
            } count = H / A count H / A H A {
                count = H / A + 1;
            } count = H / A + 1 count H / A + 1 H / A H A 1 {
            count = 1;
        } count = 1 count 1 System.out.println(count) System.out.println System.out System System.out count String[] args args public class Main {

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

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    }
} public class Main {

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

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    }
} Main
import java.util.*;

public class Main {

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

        int count = 0;
        if (H > A) {
            if (H % A == 0) {
                count = H / A;
            } else {
                count = H / A + 1;
            }
        } else {
            count = 1;
        }
        
        System.out.println(count);
    }
}