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64
 200
 6
 246
 220
 108
 6
 334
 280
 20
 266
 60
 10
 142
 58
 120
 134
 172
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 230
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import java.io.BufferedReader;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Random;
import java.util.StringTokenizer;

public class Contest {
	static PrintWriter out = new PrintWriter(System.out);

	static final Random random = new Random();

	public static void main(String[] args) throws FileNotFoundException {
		Scanner sc = new Scanner(System.in);

		char[] a = sc.next().toCharArray();
		int n = a.length;
		int k = sc.nextInt();

		int len = 0;

		for (int i = 0; i < n; i++) {
			ArrayList<Character> c = new ArrayList<Character>();
			for (int j = i; j < n; j++)
				c.add(a[j]);
			int sz = c.size() + k;

			if (sz % 2 != 0)
				continue;

			boolean isTrue = true;

			for (int l = 0; l < c.size(); l++) {
				if (l + sz / 2 >= c.size())
					break;
				if (c.get(l) != c.get(l + (sz / 2))) {
					isTrue = false;
					break;
				}
			}

			if (isTrue) {
				len = n - i + k;
				break;
			}

		}

		out.println(len == 0 && k % 2 == 0 ? k : len);

		out.flush();
	}

	static void Arrayssort(int[] a) {
		int n = a.length;// shuffle, then sort
		for (int i = 0; i < n; i++) {
			int oi = random.nextInt(n);
			int temp = a[oi];
			a[oi] = a[i];
			a[i] = temp;
		}
		java.util.Arrays.sort(a);
	}

	private static class Scanner {
		public BufferedReader reader;
		public StringTokenizer st;

		public Scanner(InputStream file) throws FileNotFoundException {
			reader = new BufferedReader(new InputStreamReader(file));
			st = null;
		}

		public String next() {
			while (st == null || !st.hasMoreTokens()) {
				try {
					String line = reader.readLine();
					if (line == null)
						return null;
					st = new StringTokenizer(line);
				} catch (Exception e) {
					throw (new RuntimeException());
				}
			}
			return st.nextToken();
		}

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

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

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

		public String nextLine() throws IOException {
			return reader.readLine();
		}
	}

}