import java.util.Scanner;

public class Sample01 {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		
		long a = scan.nextLong();
		long b = scan.nextLong();
		
		long ans = b / a;
		
		if(b % a != 0){
			ans++;
		}
		
		System.out.println(ans);
	}
}