import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    } main {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int cnt = 0; cnt 0 while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        } true {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        } cnt++ cnt n -= a n a if (n <= 0) {
                break;
            } n <= 0 n 0 {
                break;
            } break; System.out.println(cnt) System.out.println System.out System System.out cnt String[] args args public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        int n = sc.nextInt();
        int a = sc.nextInt();
        int cnt = 0;
        while(true) {
            cnt++;
            n -= a;
            if (n <= 0) {
                break;
            }
        }
        
        System.out.println(cnt);
    }
}
