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import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.BufferedReader;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.io.IOException;
import java.util.StringTokenizer;

/**
 * Built using CHelper plug-in
 * Actual solution is at the top
 */
public class Main {
	public static void main(String[] args) {
		InputStream inputStream = System.in;
		OutputStream outputStream = System.out;
		InputReader in = new InputReader(inputStream);
		PrintWriter out = new PrintWriter(outputStream);
		TaskB solver = new TaskB();
		solver.solve(1, in, out);
		out.close();
	}
}

class TaskB {

    static class Pair {
        int a, b;

        public Pair(int a, int b) {
            this.a = a;
            this.b = b;
        }
    }

    public void solve(int testNumber, InputReader in, PrintWriter out) {
        String a = in.next();
        String b = in.next();
        String c = in.next();

        int[] histA = createHist(a);
        int[] histB = createHist(b);
        int[] histC = createHist(c);

        int min = calcMin(histA, histB, 0, histC);

        int v1 = 0;
        int v2 = 0;

        for (int i = 0; i < min; i++) {
            int val2 = calcMin(histA, histC, i, histB);

            if (i + val2 > v1 + v2) {
                v1 = i;
                v2 = val2;
            }
        }


        out.println(constructRes(histA, histB, histC, new Pair(v1, v2), b, c));

    }

    private String constructRes(int[] histA, int[] histB, int[] histC, Pair p1, String b, String c) {
        StringBuilder builder = new StringBuilder();

        for (int i = 0; i < p1.a; i++) {
            builder.append(b);
        }

        for (int i = 0; i < p1.b; i++) {
            builder.append(c);
        }

        for (int i = 0; i < histA.length; i++) {
            int val = histA[i] - histB[i] * p1.a - histC[i] * p1.b;

            for (int j = 0; j < val; j++) {
                builder.append((char) ('a' + i));
            }
        }

        return builder.toString();
    }

    private int calcMin(int[] histA, int[] histB, int mult, int[] histC) {
        int min = Integer.MAX_VALUE;

        for (int i = 0; i < histA.length; i++) {
            if (histB[i] == 0) continue;
            min = Math.min(min, (histA[i] - (mult * histC[i])) / histB[i]);
        }

        return min;
    }

    private int[] createHist(String b) {
        int[] a = new int[26];

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

        return a;
    }
}

class InputReader {
    public BufferedReader reader;
    public StringTokenizer tokenizer;


    public InputReader(InputStream stream){
        reader = new BufferedReader(new InputStreamReader(stream));
    }

    public String next(){
        while (tokenizer == null || !tokenizer.hasMoreTokens()){
            try {
                tokenizer = new StringTokenizer(reader.readLine());
            } catch (IOException e) {
                throw new RuntimeException("FATAL ERROR", e);
            }
        }

        return tokenizer.nextToken();
    }

}

