import java.util.Scanner;
import java.lang.Math;

public class Main {

	public static void main(String[] args) {
		
		Scanner in = new Scanner(System.in);

		String A = in.next();
		String B = in.next();
		
		in.close();
		
		double ans = (Double.parseDouble(B) - 1)/(Double.parseDouble(A) - 1);
		
		ans = Math.ceil(ans);
		
		int answer = (int)ans;
		
		System.out.println(answer);
	}
	
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz