
import java.util.*;
import java.lang.*;

class Main {
	public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = sc.nextInt();
        int B = sc.nextInt();
        int tapNumber = 0;
        int mouseNumber = 1;
        int min = 0;

        while(true){
            mouseNumber = tapNumber * (A - 1) + 1;
            if(mouseNumber >= B){
                min = tapNumber;
                break;
            }
            tapNumber ++;
        }


        System.out.println(min);

    }
}




/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