
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
	private static final int MOD = (int)Math.pow(10, 9);
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	}

    static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.Arrays; Arrays java.util import java.util.StringTokenizer; StringTokenizer java.util public class Main {
	private static final int MOD = (int)Math.pow(10, 9);
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	}

    static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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 private static final int MOD = (int)Math.pow(10, 9); MOD (int)Math.pow(10, 9) Math.pow Math 10 9 public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	} main {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	} FastReader sc = new FastReader(); sc new FastReader() String s = sc.next(); s sc.next() sc.next sc long k = sc.nextLong(); k sc.nextLong() sc.nextLong sc char res = '1'; res '1' int pos = 0; pos 0 while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		} k > 0 && pos < s.length() k > 0 k 0 pos < s.length() pos s.length() s.length s {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		} char c = s.charAt(pos); c s.charAt(pos) s.charAt s pos if (c != '1') {
				res = c;
				break;
			} c != '1' c '1' {
				res = c;
				break;
			} res = c res c break; k-- k pos++ pos System.out.println(res) System.out.println System.out System System.out res String[] args args static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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;
	      }
	  } FastReader BufferedReader br; br StringTokenizer st; st public FastReader() {
	      br = new BufferedReader(new InputStreamReader(System.in));
	    } FastReader {
	      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 {
	private static final int MOD = (int)Math.pow(10, 9);
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	}

    static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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 {
	private static final int MOD = (int)Math.pow(10, 9);
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	}

    static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;
import java.util.StringTokenizer;

public class Main {
	private static final int MOD = (int)Math.pow(10, 9);
	public static void main(String[] args) {
		FastReader sc = new FastReader();
		String s = sc.next();
		long k = sc.nextLong();
		char res = '1';
		int pos = 0;
		while (k > 0 && pos < s.length()) {
			char c = s.charAt(pos);
			if (c != '1') {
				res = c;
				break;
			}
			k--;
			pos++;
		}
		System.out.println(res);
	}

    static class FastReader {
	    BufferedReader br;
	    StringTokenizer st;
	
	    public FastReader() {
	      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;
	      }
	  }
}
