import java.util.*;

public class Main {

    public static void main(String[] args) {

        Scanner scan = new Scanner(System.in);
        String S = scan.next();
        long K = Long.parseLong(scan.next());

        long count = 0;

        for(int i =0;i<S.length();i++) {

            if (S.charAt(i) != '1') {

                if (K < i + 1) {
                    System.out.println(1);
                    return;
                } else {
                    System.out.println(S.charAt(i));
                    return;
                }
            }
        }


        System.out.println(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