import java.util.*;
import java.lang.Character;

public class Main{
    public static void main(String args[]){
        Scanner sc = new Scanner(System.in);
        String s = sc.next();
        float k = sc.nextFloat();
        int ans = 0;
        
        int j = 0;
        while(s.charAt(j) == '1'){
            ans = 1;
            if(j >= s.length()-1 || j >= k){
                break;
            }
            j++;
        }
        if(j < k){
            ans = Character.getNumericValue(s.charAt(j));
        }
        System.out.println(ans);
    }
}
/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