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import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Arrays;

public class CF551B {
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		StringBuilder sb = new StringBuilder();
		String a = br.readLine();
		String b = br.readLine();
		String c = br.readLine();

		int counta[] = new int[26];
		int countb[] = new int[26];
		int countc[] = new int[26];
		for (int i = 0; i < a.length(); i++) {
			counta[a.charAt(i) - 'a']++;
		}

		for (int i = 0; i < b.length(); i++)
			countb[b.charAt(i) - 'a']++;

		for (int i = 0; i < c.length(); i++)
			countc[c.charAt(i) - 'a']++;


		int min = 1000000000;
		for (int i = 0; i < b.length(); i++) {
			int idx = b.charAt(i) - 'a';
			min = Math.min(min, counta[idx] / countb[idx]);
		}

		while (min-- > 0)
			for (int i = 0; i < b.length(); i++) {
				sb.append(b.charAt(i));
				counta[b.charAt(i) - 'a']--;
			}

		min = 1000000000;
		for (int i = 0; i < c.length(); i++) {
			int idx = c.charAt(i) - 'a';
			min = Math.min(min, counta[idx] / countc[idx]);
		}

		while (min-- > 0)
			for (int i = 0; i < c.length(); i++) {
				sb.append(c.charAt(i));
				counta[c.charAt(i) - 'a']--;
			}

		for (int i = 0; i < 26; i++)
			while (counta[i]-- > 0)
				sb.append((char) ('a' + i));
		System.out.println(sb);
		
	}
}
