using System;
using System.Collections.Generic;

public class Test
{
    private static void SplitAndPrint(string prefix, string s) {
        s = s.Trim();
        while (s.Length > 0 && s[0] == '(' && s[s.Length - 1] == ')') {
            s = s.Substring(1, s.Length - 2);
            prefix += "  ";
        }
        var parts = new List<string>();
        var parenLevel = 0;
        var lastPos = 0;
        for (var i = 0 ; i != s.Length ; i++) {
            switch (s[i]) {
                case '(':
                    parenLevel++;
                    break;
                case ')':
                    parenLevel--;
                    if (parenLevel < 0) {
                        throw new ArgumentException();
                    }
                    break;
                case ',':
                    if (parenLevel == 0) {
                        parts.Add(s.Substring(lastPos, i-lastPos));
                        lastPos = i + 1;
                    }
                    break;
            }
        }
        if (lastPos != s.Length) {
            parts.Add(s.Substring(lastPos, s.Length - lastPos));
        }
        if (parts.Count == 1) {
            Console.WriteLine("{0}{1}", prefix, parts[0]);
            return;
        }
        prefix += "  ";
        foreach (var part in parts) {
            SplitAndPrint(prefix, part);
        }
    }	
	
	public static void Main()
	{
		SplitAndPrint("", "value1,value2,(value3,(value4, value5, value6, (value7), value8),(((value9),value10),value11))");
	}
}