import java.util.Scanner;

public class Main{

    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        
        // input
        String input = scan.next();
        long k = scan.nextLong();

        if(k == 1){
            System.out.println(input.charAt(0));
        } else {
            for(int i = 0; i < 100; i++){
                if(input.charAt(i) == '1' && i == k - 1){
                    System.out.println(1);
                    break;
                } else if(input.charAt(i) != '1'){
                    System.out.println(input.charAt(i));
                    break;
                }
            }
        }


    }
}
/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