import java.util.Scanner;

class Main {
	public static void main(String[] $) {
		Scanner sc = new Scanner(System.in);
		String s=sc.next();
		long k=sc.nextLong();
		if(k==1) {
			System.out.println(s.substring(0, 1));
		}else {
			for(int i=0;i<s.length();i++) {
				if(i+1==k&&s.substring(i, i+1).equals("1")) {
					System.out.println(s.substring(i, i+1));
					break;
				}
				if(!s.substring(i, i+1).equals("1")) {
					System.out.println(s.substring(i, i+1));
					break;
				}
			}
		}
	}
}


/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