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

/**
 * Created by shambala on 12.06.15.
 */
public class TaskB {
    FastScanner in;
    PrintWriter out;

    public void solve() throws IOException {
        for (int i = 0; i<a.length(); i++) {
            count[a.charAt(i)-'a']++;
        }
        ArrayList<Integer> s = new ArrayList<>();
        int min = Integer.MAX_VALUE;
        for (int i = 0; i<b.length(); i++) {
            if (count[b.charAt(i)-'a']<min) {
                min = count[b.charAt(i)-'a'];
            }
            s.add(b.charAt(i)-'a');
        }
        for (int i = 0; i<min; i++) {
            ans+=b;
            for (int z : s) {
                count[z]--;
            }
        }
        s= new ArrayList<>();
        min = Integer.MAX_VALUE;
        for (int i = 0; i<c.length(); i++) {
            if (count[c.charAt(i)-'a']<min) {
                min = count[c.charAt(i)-'a'];
            }
            s.add(c.charAt(i)-'a');
        }
        for (int i = 0; i<min; i++) {
            ans+=c;
            for (int z : s) {
                count[z]--;
            }
        }
        for (int i = 0; i< 26; i++) {
            while (count[i]>0) {
                ans+=(char)(i+'a');
                count[i]--;
            }
        }
        System.out.println(ans);

    }
    String a;
    String b;
    String c;
    String ans = "";
    int[] count = new int[26];

    public void run() {
        try {
            in = new FastScanner();
            a = in.next();
            b = in.next();
            c = in.next();
            solve();

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    class FastScanner {
        BufferedReader br;
        StringTokenizer st;

        FastScanner(File f) {
            try {
                br = new BufferedReader(new FileReader(f));
            } catch (FileNotFoundException e) {
                e.printStackTrace();
            }
        }

        FastScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }

        String next() {
            while (st == null || !st.hasMoreTokens()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }

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

    public static void main(String[] arg) {
        new TaskB().run();
    }
}
