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import java.io.OutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
import java.util.StringTokenizer;
import java.io.IOException;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.InputStream;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 *
 * @author mostafa
 */
public class Main {
    public static void main(String[] args) throws IOException {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader in = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        ProblemBZgukistringZ solver = new ProblemBZgukistringZ();
        solver.solve(1, in, out);
        out.close();
    }

    static class ProblemBZgukistringZ {
        final int max = 26;

        public void solve(int testNumber, InputReader in, PrintWriter out) throws IOException {
            char[] a = in.nextLine().toCharArray();
            char[] b = in.nextLine().toCharArray();
            char[] c = in.nextLine().toCharArray();
            StringBuilder sb = new StringBuilder();

            int[] numA = new int[max];
            int[] numB = new int[max];
            int[] numC = new int[max];

            for (int i = 0; i < a.length; i++) {
                numA[a[i] - 'a']++;
            }
            for (int i = 0; i < b.length; i++) {
                numB[b[i] - 'a']++;
            }
            for (int i = 0; i < c.length; i++) {
                numC[c[i] - 'a']++;
            }

            boolean status = true;
            int n = 0;
            while (status) {
                n++;
                for (int i = 0; i < max; i++) {
                    if (numB[i] > numA[i])
                        status = false;
                }
                if (status) {
                    for (int i = 0; i < max; i++) {
                        numA[i] -= numB[i];
                    }
                } else
                    n--;
            }
            for (int i = 0; i < n; i++) {
                sb.append(b);
            }

            status = true;
            n = 0;
            while (status) {
                n++;
                for (int i = 0; i < max; i++) {
                    if (numC[i] > numA[i])
                        status = false;
                }
                if (status) {
                    for (int i = 0; i < max; i++) {
                        numA[i] -= numC[i];
                    }
                } else
                    n--;
            }
            for (int i = 0; i < n; i++) {
                sb.append(c);
            }
            for (int i = 0; i < max; i++) {
                while (numA[i]-- > 0) {
                    sb.append((char) (i + 'a'));
                }
            }
            out.println(sb.toString());
        }

    }

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

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

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

    }
}

