import java.util.Scanner;

public class Main{
	public static void main(String args[]){

		Scanner sc = new Scanner(System.in);

		String s =sc.next();
		long k=sc.nextLong();
		char ss[] = s.toCharArray();

		char answer= '1';

		for (int i=0;i<k && i<ss.length && answer == '1';++i){
			answer= ss[i];
		}

		System.out.println(answer);
	}

}
/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