import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author AEoui
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    }
}
 import java.io.OutputStream; OutputStream java.io import java.io.IOException; IOException java.io import java.io.InputStream; InputStream java.io import java.io.PrintWriter; PrintWriter java.io import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    }
} Main public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    } main {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    } InputStream inputStream = System.in; inputStream System.in System System.in OutputStream outputStream = System.out; outputStream System.out System System.out Scanner in = new Scanner(inputStream); in new Scanner(inputStream) PrintWriter out = new PrintWriter(outputStream); out new PrintWriter(outputStream) TaskCATCoder solver = new TaskCATCoder(); solver new TaskCATCoder() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    } TaskCATCoder public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        } solve {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        } char[] arr = in.next().toCharArray(); arr in.next().toCharArray() in.next().toCharArray in.next() in.next in long k = in.nextLong(); k in.nextLong() in.nextLong in for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            } char c arr {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            } {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            } if (k == 1) {
                    out.println(c);
                    return;
                } k == 1 k 1 {
                    out.println(c);
                    return;
                } out.println(c) out.println out c return; if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                } c == '1' c '1' {
                    --k;
                } --k k {
                    out.println(c);
                    return;
                } out.println(c) out.println out c return; out.println(arr[arr.length - 1]) out.println out arr[arr.length - 1] arr arr.length - 1 arr.length arr arr.length 1 int testNumber testNumber Scanner in in PrintWriter out out public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    }
} public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    }
} Main
import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.Scanner;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author AEoui
 */
public class Main {
    public static void main(String[] args) {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        Scanner in = new Scanner(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        TaskCATCoder solver = new TaskCATCoder();
        solver.solve(1, in, out);
        out.close();
    }

    static class TaskCATCoder {
        public void solve(int testNumber, Scanner in, PrintWriter out) {
            char[] arr = in.next().toCharArray();
            long k = in.nextLong();

            for (char c : arr) {
                if (k == 1) {
                    out.println(c);
                    return;
                }

                if (c == '1') {
                    --k;
                } else {
                    out.println(c);
                    return;
                }
            }

            out.println(arr[arr.length - 1]);
        }

    }
}

