import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	}
} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	}
} Main public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	} main {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String s = scan.next(); s scan.next() scan.next scan long k = scan.nextLong(); k scan.nextLong() scan.nextLong scan for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		} int i = 0; int i = 0; i 0 i < k i k i++ i++ i {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		} {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		} if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			} s.charAt(i) != '1' s.charAt(i) s.charAt s i '1' {
				System.out.println(s.charAt(i));
				return;
			} System.out.println(s.charAt(i)) System.out.println System.out System System.out s.charAt(i) s.charAt s i return; System.out.println('1') System.out.println System.out System System.out '1' String[] args args public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	}
} public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	}
} Main
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner scan = new Scanner(System.in);

		String s = scan.next();
		long k = scan.nextLong();
		for(int i = 0; i < k; i++) {
			if(s.charAt(i) != '1') {
				System.out.println(s.charAt(i));
				return;
			}
		}
		System.out.println('1');
	}
}