import java.util.Scanner;

public class Main {

  public static void main(String[] args) {

    Scanner sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); 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 sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); 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 sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); i++) {
      if (s.charAt(i) != '1') {
        System.out.println(s.charAt(i));
        return;
      }
    }

    System.out.println(1);

  } main {

    Scanner sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); i++) {
      if (s.charAt(i) != '1') {
        System.out.println(s.charAt(i));
        return;
      }
    }

    System.out.println(1);

  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc long k = sc.nextLong(); k sc.nextLong() sc.nextLong sc for (int i = 0; i < Math.min(k, s.length()); i++) {
      if (s.charAt(i) != '1') {
        System.out.println(s.charAt(i));
        return;
      }
    } int i = 0; int i = 0; i 0 i < Math.min(k, s.length()) i Math.min(k, s.length()) Math.min Math k s.length() s.length s 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 sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); 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 sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); 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 sc = new Scanner(System.in);

    String s = sc.next();
    long k = sc.nextLong();

    for (int i = 0; i < Math.min(k, s.length()); i++) {
      if (s.charAt(i) != '1') {
        System.out.println(s.charAt(i));
        return;
      }
    }

    System.out.println(1);

  }
}