check balanced brackets / parentheses

using System;

public class Program
{
    public static void Main()
    {
        Console.WriteLine(HasBalancedBrackets("[[[[[[[[foobar]]]]]]]]").ToString());
    }

    private static bool HasBalancedBrackets(string input)
    {
        int count = 0;
        for (int i = input.Length - 1; i >= 0; i--)
        {
            char ch = input[i];
            if (ch == ']')
            {
                count++;
            }
            else if (ch == '[')
            {
                count--;
            }

            // even if you check to the end there won't be enough to balance
            if (i - count < 0)
            {
                Console.WriteLine("too much close");
                return false;
            }
        }

        if (count > 0)
        {
            Console.WriteLine("too much close");
        }
        else if (count < 0)
        {
            Console.WriteLine("too much open");
        }

        return count == 0;
    }
}