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