import java.util.*;

public class Main{
    public static void main(String[] args){
        Scanner scan = new Scanner(System.in);
        String a = scan.next();
        long k = scan.nextLong();
        int po = 0;
        for (int i=0;i<a.length();i++){
            if (a.charAt(i) != '1'){
                po = i;
                break;
            }
        }

        if (k < po+1){
            System.out.println(1);
        }
        else{
            System.out.println(a.charAt(po));
        }
        return;
        
    }
}
/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