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import java.io.*;
import java.util.StringTokenizer;

/**
 * Created by lanxiao on 12/06/15.
 */
public class BBB {
    static public void main(String[] arg) {
        InputReader in = new InputReader(System.in);
        PrintWriter out = new PrintWriter(System.out);
        // Solution here

        String a = in.next(), b = in.next(), c = in.next();
        if (b.length() > c.length()) {
            String swap = b;
            b = c;
            c = swap;
        }
        int[] aa = count(a), bb = count(b), cc = count(c);

        StringBuilder sb = new StringBuilder();
        while(true) {
            if (isValid(aa, bb)) {
                sb.append(b);
                for (int i = 0; i < aa.length; i++) aa[i] -= bb[i];
                continue;
            }
            if (isValid(aa, cc)) {
                sb.append(c);
                for (int i = 0; i < aa.length; i++) aa[i] -= cc[i];
                continue;
            }
            break;
        }
        for (int i = 0; i < aa.length; i++) {
            while (aa[i] > 0) {
                sb.append((char)(i + 'a'));
                aa[i]--;
            }
        }
        out.println(sb.toString());
        in.close();
        out.close();
    }

    static private boolean isValid(int[] a, int[] b) {
        for (int i = 0; i < a.length; i++) {
            if (a[i]< b[i]) return false;
        }
        return true;
    }

    static private int[] count(String s) {
        int[] ss = new int[26];
        for (char c : s.toCharArray()) {
            ss[c - 'a']++;
        }
        return ss;
    }

    static private class InputReader {
        private BufferedReader reader;
        private StringTokenizer tokenizer;

        public InputReader(InputStream stream) {
            reader = new BufferedReader(new InputStreamReader(stream), 32768);
            tokenizer = null;
        }

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

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

        public void close() {
            try {
                reader.close();
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        }
    }

    static private class GeometryUtils {
        public double epsilon = 1e-8;
    }
}
