import java.util.Scanner;
     
public class Main {
    	
    private final static Scanner sc = new Scanner(System.in);
    	
    public static void main(String[] arg) {
    	int A = sc.nextInt() - 1;
      	int B = sc.nextInt() - 1;
      	int k = (B / A);
      	if( k*A != B) k++;
      	System.out.println(k);
   	}
}
/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