import java.util.Scanner;

public class Main {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);

		//対象の文字列をセット
		String strTgt = sc.next();

		//文字の位置をセット
		long lngCharPos = sc.nextLong();

		char charResult = 0;
		for(int i = 0;  i < strTgt.length() && i < lngCharPos; i++) {

			//i番目の文字を取得
			charResult = strTgt.charAt(i);

			//「1」以外の場合
			if(charResult != '1') {
				break;
			}

		}

		//アウトプット
		System.out.println(charResult);

	}

}

/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