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import java.util.Scanner;

public class Solution {

    private static String construct(int[] alphas, String s) {
        boolean found = true;
        for (int i = 0; i < s.length(); i++) {
            char c = s.charAt(i);
            if (alphas[c - 'a'] == 0) {
                found = false;
                break;
            }
        }

        if (found) {
            for (int i = 0; i < s.length(); i++) {
                char c = s.charAt(i);
                alphas[c - 'a']--;
            }
            return s;
        } else {
            return null;
        }
    }

    private static String solve(String a, String b, String c) {
        int[] alphas = new int[26];
        for (int i = 0; i < a.length(); i++) {
            alphas[a.charAt(i) - 'a']++;
        }

        String finalString = "";

        String r = construct(alphas, b);
        while (r != null) {
            finalString += r;
            r = construct(alphas, b);
        }

        r = construct(alphas, c);
        while (r != null) {
            finalString += r;
            r = construct(alphas, c);
        }

        for (int i = 0; i < alphas.length; i++) {
            while (alphas[i] > 0) {
                alphas[i]--;
                finalString += (char) (i + 'a');
            }
        }

        return finalString;
    }

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String a = scanner.next();
        String b = scanner.next();
        String c = scanner.next();

        System.out.println(solve(a, b, c));

        scanner.close();
    }
}
