import java.util.*;

public class Main { //クラス名はMain
    public static void main(String[] args) {
    	Scanner sc = new Scanner(System.in);
		double a = sc.nextDouble();
      	double b = sc.nextDouble();
        int o=0;
        o=(int)Math.ceil((b-1)/(a-1));
        System.out.println(o);
    }
}
/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