/*
Umer: I modified the program from http://www.biostars.org/p/52895/ that Pierre Lindenbaum wrote, and he be given due credit not me.
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.Map;
import java.util.TreeMap;
import java.util.regex.Pattern;


public class Path2Newick
    {
    private static class Node
        {
        Map<String,Node> children=new TreeMap<String, Path2Newick.Node>();

        void fill(String tokens[],int index)
            {
            Node c=children.get(tokens[index]);
            if(c==null)
                {
                c=new Node();
                this.children.put(tokens[index],c);
                }
            if(index+1< tokens.length) c.fill(tokens, index+1);
            }
        void printChildren()
            {
            boolean first=true;
            System.out.print("(");
            for(String childName:this.children.keySet())
                {
                if(!first) System.out.print(",");
                first=false;
                Node c=this.children.get(childName);
                c.print(childName);
                }
            System.out.print(")");
            }
        void print(String myName)
            {
            if(!this.children.isEmpty())
                {
                printChildren();
                }
            System.out.print(myName);
            }
        }
    private Node root=new Node();

    private void parse(BufferedReader in) throws IOException
        {
        Pattern semicolon=Pattern.compile("[;]");
        String line;
        while((line=in.readLine())!=null)
            {
            if(line.isEmpty()) continue;
            String tokens[]=semicolon.split(line);
            root.fill(tokens, 0);
            }

        }
    private void print()
        {
        this.root.printChildren();
        System.out.println(";");
        }

    public static void main(String[] args) throws IOException
        {
        Path2Newick app=new Path2Newick();
        app.parse(new BufferedReader(new InputStreamReader(System.in)));
        app.print();
        }

}