import java.util.Scanner;

class main{
    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 );

    }
}