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import java.io.BufferedWriter;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.Scanner;

public class b307 {

	public static void main(String[] args) {
		int freqs[] = new int[26];
		int[] freqsc = new int[26];
		int[] freqsb = new int[26];
		Scanner in = new Scanner(System.in);
		String a = in.nextLine(), b = in.nextLine(), c = in.nextLine();
		in.close();
		for (int i = 0; i < a.length(); i++) {
			char temp = a.charAt(i);
			freqs[temp - 'a']++;
		}
		for (int i = 0; i < b.length(); i++) {
			char temp = b.charAt(i);
			freqsb[temp - 'a']++;
		}
		for (int i = 0; i < c.length(); i++) {
			char temp = c.charAt(i);
			freqsc[temp - 'a']++;
		}
		StringBuilder ans = new StringBuilder("");
		while (canPlace(freqs, freqsb)) {
			ans.append(b);
			place(freqs, freqsb);
		}
		while (canPlace(freqs, freqsc)) {
			ans.append(c);
			place(freqs, freqsc);
		}
		for (int i = 0; i < 26; i++) {
			if (freqs[i] > 0) {
				for (int j = 0; j < freqs[i]; j++) {
					ans.append((char) (i + 'a'));
				}
			}
		}
		PrintWriter out = new PrintWriter(new BufferedWriter(
				new OutputStreamWriter(System.out)));
		out.println(ans.toString());
		out.flush();

	}

	private static void place(int[] freqs, int[] a) {
		for (int i = 0; i < 26; i++)
			freqs[i] -= a[i];
	}

	private static boolean canPlace(int[] freqs, int[] a) {
		for (int i = 0; i < 26; i++) {
			if (a[i] > freqs[i]) {
				return false;
			}
		}
		return true;
	}
}
