import java.util.Scanner;
class Main{
  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);
    int socket = sc.nextInt();
    int need = sc.nextInt();
    if(need == 1){
      System.out.println(0);
    }else if(socket == 1){
      System.out.println(need);
    }else if(need <= socket){
      System.out.println(1);
    }else if((need - socket) % (socket - 1) == 0){
      System.out.println(1 + (need - socket) / (socket - 1));
  }else{
    System.out.println(2 + (need - socket) / (socket - 1));
  }
}
}
/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