import java.io.*;
import java.util.*;
import java.lang.*;
public class Main {
		
	public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	}

	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} import java.io.*; io.* java import java.util.*; util.* java import java.lang.*; lang.* java public class Main {
		
	public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	}

	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} Main public static PrintWriter out; out public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	} main {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	} MyScanner sc = new MyScanner(); sc new MyScanner() String s=sc.next(); s sc.next() sc.next sc long k=sc.nextLong(); k sc.nextLong() sc.nextLong sc int i; i int l=s.length(); l s.length() s.length s int ans=1; ans 1 for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		} i=0; i=0 i 0 i<l i l i++ i++ i {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		} {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		} if(k==0) {
				break;
						
			} k==0 k 0 {
				break;
						
			} break; if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			} ans==1&&s.charAt(i)!='1' ans==1 ans 1 s.charAt(i)!='1' s.charAt(i) s.charAt s i '1' {
				ans=s.charAt(i)-'0';
				
			} ans=s.charAt(i)-'0' ans s.charAt(i)-'0' s.charAt(i) s.charAt s i '0' k-- k System.out.println(ans) System.out.println System.out System System.out ans String[] args args //----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	} l_min {
		Arrays.sort(a);
		return a[0];
	} Arrays.sort(a) Arrays.sort Arrays a return a[0]; a[0] a 0 int[] a a static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	} l_max {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	} int l=a.length; l a.length a a.length Arrays.sort(a) Arrays.sort Arrays a return a[l-1]; a[l-1] a l-1 l 1 int[] a a public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	} MyScanner BufferedReader br; br StringTokenizer st; st public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		} MyScanner {
			br = new BufferedReader(new InputStreamReader(System.in));
		} br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} next {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				} IOException e {
					e.printStackTrace();
				} e.printStackTrace() e.printStackTrace e {
					st = new StringTokenizer(br.readLine());
				} st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
			return Integer.parseInt(next());
		} nextInt {
			return Integer.parseInt(next());
		} return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
			return Long.parseLong(next());
		} nextLong {
			return Long.parseLong(next());
		} return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
			return Double.parseDouble(next());
		} nextDouble {
			return Double.parseDouble(next());
		} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} nextLine {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} String str = ""; str "" try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} IOException e {
				e.printStackTrace();
			} e.printStackTrace() e.printStackTrace e {
				str = br.readLine();
			} str = br.readLine() str br.readLine() br.readLine br return str; str public class Main {
		
	public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	}

	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} public class Main {
		
	public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	}

	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} Main
import java.io.*;
import java.util.*;
import java.lang.*;
public class Main {
		
	public static void main(String[] args) {
		MyScanner sc = new MyScanner();
		String s=sc.next();
		long k=sc.nextLong();
		int i;
		int l=s.length();
		int ans=1;
		
		for(i=0;i<l;i++) {
			if(k==0) {
				break;
						
			}
			if(ans==1&&s.charAt(i)!='1') {
				ans=s.charAt(i)-'0';
				
			}
			k--;
		}
		System.out.println(ans);
	}

	
	
//----------------------------------------------------------
	static int l_min(int[] a) {
		Arrays.sort(a);
		return a[0];
	}
	static int l_max(int[] a) {
		int l=a.length;
		Arrays.sort(a);
		return a[l-1];
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

}
