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
*/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);
		TaskC solver = new TaskC();
		solver.solve(1, in, out);
		out.close();
	}
static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

}
}
 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);
		TaskC solver = new TaskC();
		solver.solve(1, in, out);
		out.close();
	}
static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

}
} 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);
		TaskC solver = new TaskC();
		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);
		TaskC solver = new TaskC();
		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) TaskC solver = new TaskC(); solver new TaskC() solver.solve(1, in, out) solver.solve solver 1 in out out.close() out.close out String[] args args static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

} TaskC public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    } solve {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    } String S = in.next(); S in.next() in.next in long K = in.nextLong(); K in.nextLong() in.nextLong in int idx1 = 0; idx1 0 while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        } idx1 < S.length() idx1 S.length() S.length S {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        } if(S.charAt(idx1)-'0' != 1) break; S.charAt(idx1)-'0' != 1 S.charAt(idx1)-'0' S.charAt(idx1) S.charAt S idx1 '0' 1 break; idx1++ idx1 if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        } K <= idx1 K idx1 out.println(1) out.println out 1 {
            char ans = S.charAt(idx1);
            out.println(ans);
        } char ans = S.charAt(idx1); ans S.charAt(idx1) S.charAt S idx1 out.println(ans) out.println out ans 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);
		TaskC solver = new TaskC();
		solver.solve(1, in, out);
		out.close();
	}
static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

}
} */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);
		TaskC solver = new TaskC();
		solver.solve(1, in, out);
		out.close();
	}
static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

}
} 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
*/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);
		TaskC solver = new TaskC();
		solver.solve(1, in, out);
		out.close();
	}
static class TaskC   {
public void solve(int testNumber, Scanner in, PrintWriter out) {
        String S = in.next();
        long K = in.nextLong();
        int idx1 = 0;
        while (idx1 < S.length()) {
            if(S.charAt(idx1)-'0' != 1) break;
            idx1++;
        }
        if(K <= idx1) out.println(1);
        else{
            char ans = S.charAt(idx1);
            out.println(ans);
        }
    }

}
}

