import java.util.Scanner;
 
public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	}
} Main public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	} main {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a= scan.nextInt(); a scan.nextInt() scan.nextInt scan int b= scan.nextInt(); b scan.nextInt() scan.nextInt scan System.out.println((a+b-1) / b) System.out.println System.out System System.out (a+b-1) / b (a+b-1) a+b a b 1 b String[] args args public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	}
} public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	}
} Main
import java.util.Scanner;
 
public class Main {
	public static void main (String[] args) {
                Scanner scan = new Scanner(System.in);
		
		int a= scan.nextInt();
		int b= scan.nextInt();
		
		System.out.println((a+b-1) / b);
	}
}