import java.util.Scanner;

public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
//------------------------------------------------------------
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		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 h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		System.out.println(ans);
//------------------------------------------------------------
	}
} Main public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
//------------------------------------------------------------
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		System.out.println(ans);
//------------------------------------------------------------
	} main {
		Scanner sc = new Scanner(System.in);
//------------------------------------------------------------
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		System.out.println(ans);
//------------------------------------------------------------
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int h = sc.nextInt(); h sc.nextInt() sc.nextInt sc int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int ans =0; ans 0 boolean con = true; con true while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		} con {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		} ans ++ ans h -= a h a if (h<=0) {
				con =false;
			} h<=0 h 0 {
				con =false;
			} con =false con false 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 h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		System.out.println(ans);
//------------------------------------------------------------
	}
} public class Main {
	public static void main (String[] args) {
		Scanner sc = new Scanner(System.in);
//------------------------------------------------------------
		int h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		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 h = sc.nextInt();
		int a = sc.nextInt();
		int ans =0;
		boolean con = true;
		while (con) {
			ans ++;
			h -= a;
			if (h<=0) {
				con =false;
			}
		}
		System.out.println(ans);
//------------------------------------------------------------
	}
}