import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.util.Arrays;

public class Main {
    public static void main(String... args) throws Exception {
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
        int[] a = Arrays.stream(reader.readLine().split(" ")).mapToInt(Integer::parseInt).toArray();
        System.out.println(a[0] / a[1] + 1);
    }
}