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

public class P2 {
	static int[] a;
	static boolean check (int[] x) {
		for (int i = 0; i < 26; i++) {
			if (x[i] > a[i])
				return false;
		}
		return true;
	}
	static void remove (int[] x) {
		for (int i = 0; i < 26; i++)
			a[i] -= x[i];
	}
	public static void main (String[] args) {
		Scanner sc = new Scanner (System.in);
		PrintStream op = System.out;
		String as = sc.nextLine(), bs = sc.nextLine(), cs = sc.nextLine();
		int[] orig = new int [26];
		int[] b = new int [26], c = new int [26];
		int cb1 = 0, cc1 = 0, cb2 = 0, cc2 = 0;
		for (int i = 0; i < as.length(); i++)
			orig[as.charAt(i) - 'a']++;
		for (int i = 0; i < bs.length(); i++)
			b[bs.charAt(i) - 'a']++;
		for (int i = 0; i < cs.length(); i++)
			c[cs.charAt(i) - 'a']++;
		a = Arrays.copyOf(orig, 26);
		while (check(b)) {
			cb1++;
			remove(b);
		}
		while (check(c)) {
			cc1++;
			remove(c);
		}
		int[] a1 = Arrays.copyOf(a, 26);
		while (check(c)) {
			cc2++;
			remove(c);
		}
		while (check(b)) {
			cb2++;
			remove(b);
		}
		if (cc1 + cb1 > cc2 + cb2) {
			for (int i = 0; i < cb1; i++)
				op.print(bs);
			for (int i = 0; i < cc1; i++)
				op.print(cs);
			for (int i = 0; i < 26; i++) {
				for (int j = 0; j < a1[i]; j++)
					op.print((char)('a' + i));
			}
		}
		else {
			for (int i = 0; i < cb2; i++)
				op.print(bs);
			for (int i = 0; i < cc2; i++)
				op.print(cs);
			for (int i = 0; i < 26; i++) {
				for (int j = 0; j < a[i]; j++)
					op.print((char)('a' + i));
			}
		}
		op.println();
		sc.close();
		op.close();
	}
}
