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

public class Main
{
    static final int max = 26 ;
    public static void main(String[] args) throws IOException {
        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
        PrintWriter pr = new PrintWriter(System.out);
        StringBuilder sb = new StringBuilder();

        char [] a = br.readLine().toCharArray();
        char [] b = br.readLine().toCharArray();
        char [] c = br.readLine().toCharArray();
        int []numA = new int[max];
        int []tmpA = new int[max];
        int []numB = new int[max];
        int []numC = new int[max];

        for (int i = 0; i < a.length; i++) {
            numA[a[i]-'a']++;
            tmpA[a[i]-'a']++;
        }
        for (int i = 0; i < b.length; i++) {
            numB[b[i]-'a']++ ;
        }
        for (int i = 0; i < c.length; i++) {
            numC[c[i]-'a']++ ;
        }

        int n = numOfOcuur(tmpA,numB);
        int m = numOfOcuur(tmpA,numC);
        int x = numOfOcuur(numA,numB);
        int y = numOfOcuur(numA,numC);

        if(n+m > x+y){
            for (int i = 0; i < n; i++) sb.append(b);
            for (int i = 0; i < m; i++) sb.append(c);
            for (int i = 0; i < max; i++)
                while(tmpA[i]-->0)
                    sb.append((char)(i+'a'));
        }else{
            for (int i = 0; i < x; i++) sb.append(b);
            for (int i = 0; i < y; i++) sb.append(c);
            for (int i = 0; i < max; i++)
                while(numA[i]-->0)
                    sb.append((char)(i+'a'));
        }
        pr.println(sb.toString());
        br.close();
        pr.close();
    }

    static int numOfOcuur(int [] a , final int [] b)
    {
        boolean status = true;
        int n = 0;
        while (status) {
            n++;
            for (int i = 0; i < max; i++)
                if (b[i] > a[i])
                    status = false;
            if (status) for (int i = 0; i < max; i++) a[i] -= b[i];
            else n--;
        }
        return n ;
    }
}