import java.util.Scanner;
public class No_388 {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int S = sc.nextInt();
		int F = sc.nextInt();
		if ( S%F==0 || S>F && S%F>0 ){ //SがFで割り切れる、もしくはS>Fで余りが1以上の時
			System.out.println((S/F)+1);
		}
		else if (F>S){
			System.out.println(1);
		}
	}
}