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();
        sc.close();
        int pos = 0;
        while(pos < S.length()){
            if(S.charAt(pos) != '1'){
                if(K > pos)
                    System.out.println(S.charAt(pos));
                else
                    System.out.println(1);
                break;
            } else
                pos++;
            if(pos == S.length()){
                System.out.println(1);
            }
        }
    }
}
/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