import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	}
} import java.util.ArrayList; ArrayList java.util import java.util.Arrays; Arrays java.util import java.util.HashMap; HashMap java.util import java.util.HashSet; HashSet java.util import java.util.List; List java.util import java.util.Map; Map java.util import java.util.Scanner; Scanner java.util import java.util.Set; Set java.util public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	}
} Main public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	} main {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String n = scanner.nextLine(); n scanner.nextLine() scanner.nextLine scanner long   k = scanner.nextLong(); k scanner.nextLong() scanner.nextLong scanner long ans = 0; ans 0 boolean flg = true; flg true ans = Long.parseLong(n.substring(0, 1)) ans Long.parseLong(n.substring(0, 1)) Long.parseLong Long n.substring(0, 1) n.substring n 0 1 if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		} ans == 1 ans 1 {
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		} for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			} int i = 1; int i = 1; i 1 i < k i k i++ i++ i {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			} {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			} long x  =Long.parseLong(n.substring(i, i + 1)); x Long.parseLong(n.substring(i, i + 1)) Long.parseLong Long n.substring(i, i + 1) n.substring n i i + 1 i 1 if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				} x != 1 x 1 {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				} ans = Long.parseLong(n.substring(i, i + 1)) ans Long.parseLong(n.substring(i, i + 1)) Long.parseLong Long n.substring(i, i + 1) n.substring n i i + 1 i 1 flg = false flg false break; if(flg) ans = 1; flg ans = 1 ans 1 System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	}
} public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	}
} Main
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Scanner;
import java.util.Set;

public class Main{

	public static void main(String[] args) {

		Scanner scanner = new Scanner(System.in);

		String n = scanner.nextLine();
		long   k = scanner.nextLong();
		long ans = 0;
		boolean flg = true;

		ans = Long.parseLong(n.substring(0, 1));

		if(ans == 1){
			for(int i = 1; i < k; i++) {

				long x  =Long.parseLong(n.substring(i, i + 1));


				if(x != 1) {

					ans = Long.parseLong(n.substring(i, i + 1));
					flg = false;
					break;
				}
			}

			if(flg) ans = 1;
		}

		System.out.println(ans);



	}
}
