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

public class B {
	
	static int[] occ;
	static StringBuilder sb;
	
	public static void main(String[] args) throws Exception
	{
		Scanner sc = new Scanner(System.in);
		PrintWriter out = new PrintWriter(System.out);
		char[] a = sc.next().toCharArray();
		char[] b = sc.next().toCharArray();
		char[] c = sc.next().toCharArray();
		occ = new int[26];
		for(int i = 0; i < a.length; i++)
			occ[a[i] - 'a']++;
		sb = new StringBuilder();
		func(b);
		func(c);
		for(char x = 'a'; x <= 'z'; x++)
			while(occ[x - 'a'] --> 0)
				sb.append(x);
		out.println(sb);
		out.flush();
		out.close();
	}
	
	static void func(char[] b)
	{
		int min = (int)1e5+5;
		char minChar = '#';
		boolean contains[] = new boolean[26];
		int occB[] = new int[26];
		for(char c : b)
		{
			if(occ[c - 'a'] < min)
			{
				min = occ[c - 'a'];
				minChar = c;
			}
			contains[c - 'a'] = true;
			occB[c - 'a']++;
		}
		if(occB[minChar - 'a'] <= min)
		{
			for(int i = 0; i < min; i++)
				sb.append(b);
			for(char c = 'a'; c <= 'z'; c++)
				if(contains[c - 'a'])
					occ[c - 'a'] -= min;
		}
	}
	
	static class Scanner 
	{
		StringTokenizer st;
		BufferedReader br;

		public Scanner(InputStream system) {br = new BufferedReader(new InputStreamReader(system));}
		public String next() throws IOException 
		{
			while (st == null || !st.hasMoreTokens()) 
				st = new StringTokenizer(br.readLine());
			return st.nextToken();
		}
		public String nextLine()throws IOException{return br.readLine();}
		public int nextInt() throws IOException {return Integer.parseInt(next());}
		public double nextDouble() throws IOException {return Double.parseDouble(next());}
		public char nextChar()throws IOException{return next().charAt(0);}
		public Long nextLong()throws IOException{return Long.parseLong(next());}
		public boolean ready() throws IOException{return br.ready();}
		public void waitForInput(){for(long i = 0; i < 3e9; i++);}
	}
}