import java.util.Scanner;

public class Main {

    public static void main(String[] args) {

        Scanner sc = new Scanner(System.in);
        String[] AB = sc.nextLine().split(" ");
        int A = Integer.parseInt(AB[0]);
        int B = Integer.parseInt(AB[1]);

        int plug = 0;
        int ans = 0;
        for (int i = 1; i < 30; i++) {
            if (i != 1) {
                plug--;
            }
            plug += A;
            if (plug >= B) {
                ans = i;
                break;
            }
        }

        System.err.println(plug);
        if (B == 1) {
            System.out.println(0);
        } else {
            System.out.println(ans);
        }
    }
}

/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