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import java.io.*;
import java.util.*;
public class d{
    static StringBuilder ans;
    static char w='B';
    public static void main(String args[]) throws IOException {
        InputStream inputStream = System.in;
        OutputStream outputStream = System.out;
        InputReader sc = new InputReader(inputStream);
        PrintWriter out = new PrintWriter(outputStream);
        String a = sc.next(), b = sc.next(), c = sc.next();
        int[] freqA = new int[26];
        int[] freqB = new int[26];
        int[] freqC = new int[26];
        count(a, freqA);
        count(b, freqB);
        count(c, freqC);
        int count=num(freqA,freqB,freqC);
        ans = new StringBuilder();
        for (int i = 0; i < count; i++) {
            if (w == 'B') {
                add(freqA, b);
            } else
                add(freqA, c);
        }
        count=Integer.MAX_VALUE;
        for(int i =0;i<26;i++) {
            if (w == 'B' && freqC[i] > 0) {
                count = Math.min(count, freqA[i] / freqC[i]);
            } else if (w == 'C' && freqB[i] > 0) {
                count = Math.min(count, freqA[i] / freqB[i]);
            }
        }
        for(int i =0;i<count;i++) {
            if (w == 'B')
                add(freqA, c);
            else
                add(freqA, b);
        }
        for(int i =0;i<26;i++) {
            for (int j = 0; j < freqA[i]; j++) {
                System.out.print((char)(i+'a'));
            }
        }
        out.print(ans);
        out.close();
    }
    public static int num(int []freqA,int[]freqB,int[]freqC){
        int count1=Integer.MAX_VALUE;
        for(int i =0;i<26;i++){
            if(freqB[i]>0){
                count1=Math.min(count1,freqA[i]/freqB[i]);
            }
        }
        int count2=Integer.MAX_VALUE;
        for(int i =0;i<26;i++){
            if(freqC[i]>0){
                count2=Math.min(count2,(freqA[i]-(freqB[i]*count1))/freqC[i]);
            }
        }
        int count3=Integer.MAX_VALUE;
        for(int i =0;i<26;i++){
            if(freqC[i]>0){
                count3=Math.min(count3,freqA[i]/freqC[i]);
            }
        }
        int count4=Integer.MAX_VALUE;
        for(int i =0;i<26;i++){
            if(freqB[i]>0){
                count4=Math.min(count4,(freqA[i]-(freqC[i]*count3))/freqB[i]);
            }
        }
        if(count3+count4>count1+count2) {
            w = 'C';
        return count3;}
        else
            return count1;

    }
    public static void count(String a,int[]freq){
        for(int i=0;i<a.length();i++) {
            freq[a.charAt(i) - 'a']++;
        }
    }
   public static void add(int[]freqA,String a) {

       for (int i = 0; i < a.length(); i++) {
           freqA[a.charAt(i) - 'a']--;
           ans.append(a.charAt(i));
       }
   }
    public static void shuffle(long[] arr) {
        int n = arr.length;
        Random rnd = new Random();
        for (int i = 0; i < n; ++i) {
            long tmp = arr[i];
            int randomPos = i + rnd.nextInt(n - i);
            arr[i] = arr[randomPos];
            arr[randomPos] = tmp;
        }
    }
    public static void shuffle(int[] arr) {
        int n = arr.length;
        Random rnd = new Random();
        for (int i = 0; i < n; ++i) {
            int tmp = arr[i];
            int randomPos = i + rnd.nextInt(n - i);
            arr[i] = arr[randomPos];
            arr[randomPos] = tmp;
        }
    }

    public static int gcd(int x, int y) {
        if (y == 0)
            return x;
        return gcd(y, x % y);
    }

    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());
        }

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

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

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

    }
}