import java.util.*;
import static java.lang.Math.*;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        long k = sc.nextLong();
        int memo = 0;
        while(s.length()>memo && s.charAt(memo)=='1'){ 
            memo++;
        }
        System.out.println(k-1<memo? '1':s.charAt(memo));
    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz