import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	}
} Main public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	} main {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int n = sc.nextInt(); n sc.nextInt() sc.nextInt sc int m = sc.nextInt(); m sc.nextInt() sc.nextInt sc int ans = 0; ans 0 for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		} int i =0; int i =0; i 0 true i++ i++ i {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		} {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		} n-=m n m ans++ ans if(n<= 0) {
				break;
			} n<= 0 n 0 {
				break;
			} break; System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	}
} public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		
		int n = sc.nextInt();
		
		int m = sc.nextInt();
		
		int ans = 0;
		
		for(int i =0; true ;i++) {
			n-=m;
			ans++;
			if(n<= 0) {
				break;
			}
		}
		
		System.out.println(ans);

	}
}
