import java.util.*;

class Main{
  public static void main(String args[]){
    Scanner sc = new Scanner(System.in);
    char[] str = sc.nextLine().toCharArray();
    long counter = sc.nextLong();
    
    int i = 0;
    while(str[i] == '1' && ++i<str.length);
    
    if(i>=counter) System.out.println(1);
    else System.out.println(str[i]);
  }
}
/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