import java.util.Scanner;

public class Main {

	@SuppressWarnings("resource")
	public static void main(String args[]) {
		Scanner scanner = new Scanner(System.in);
		String s = scanner.nextLine();
		long n = scanner.nextLong();

		if (n <= s.length()) {
			for (int i = 0; i < n; i++) {
				if (s.charAt(i) == '1') {
					continue;
				} else {
					System.out.println(s.charAt(i));
					return;
				}
			}

			System.out.println(1);
			return;
		}
		for (int i = 0; i < s.length(); i++) {
			if (s.charAt(i) == '1') {
				continue;
			} 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