import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		// 整数の入力
		int a = sc.nextInt();
		// スペース区切りの整数の入力
		int b = sc.nextInt();
 
        if(b == 1){
          System.out.println(0);
          return;
        }
        if(a >= b){
          System.out.println(1);
          return;
        }
        
        int num = a;
        int count = 2;
      
        while(true){
          num += a - 1;
          if(num >= b){
            break;
          }
          count++;
        }
		// 出力
		System.out.println(count);
	}
}
/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