import 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();
    int temp = 0;
    for (int i=0;i<S.length();i++){
        if (S.charAt(i) != '1'){
            temp = i;
            break;
        }
    }

    if (K < temp+1){
        System.out.println(1);
    }
    else{
        System.out.println(S.charAt(temp));
    }
    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