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

public class ZgukistringZ {

    public static void main(String[] args) {
        InputReader in = new InputReader(System.in);
        String k = in.next();
        String a = in.next();
        String b = in.next();
        int[] as = getFrequencies(a);
        int[] bs = getFrequencies(b);
        int[] ks = getFrequencies(k);
        int maxSubstr = 0;
        int aCount = 0;
        int bCount = 0;
        loop: for (int i = 0; i <= 100_000; i++) {
            int[] kClone = ks.clone();
            for (int j = 0; j < 26; j++) {
                kClone[j] -= as[j] * i;
                if (kClone[j] < 0) {
                    break loop;
                }
            }
            int B = Integer.MAX_VALUE;
            for (int j = 0; j < 26; j++) {
                if (bs[j] > 0) {
                    B = Math.min(B, kClone[j] / bs[j]);
                }
            }
            if (bCount + i > maxSubstr) {
                maxSubstr = aCount + bCount;
                aCount = i;
                bCount = B;
            }
        }
        StringBuilder res = new StringBuilder(k.length());
        for (int i = 0; i < aCount; i++) {
            res.append(a);
        }
        for (int j = 0; j < bCount; j++) {
            res.append(b);
        }
        for (int i = 0; i < 26; i++) {
            int notUsed = ks[i] - as[i] * aCount - bs[i] * bCount;
            char ch = (char) ('a' + i);
            for (int j = 0; j < notUsed; j++) {
                res.append(ch);
            }
        }
        System.out.println(res);
    }

    private static int[] getFrequencies(String a) {
        int[] as = new int[26];
        for (int i = 0; i < a.length(); i++) {
            char ch = a.charAt(i);
            as[ch - 'a']++;
        }
        return as;
    }

    public static class InputReader {
        public BufferedReader reader;
        public 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());
        }

    }
}
