Problem 15. * Balanced Brackets

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Problem_15.Star__Balanced_Brackets
{
    class BalancedBrackets
    {
        static void Main(string[] args)
        {
            int input = int.Parse(Console.ReadLine());


            int countOpenBracket = 0;
            int countClosingBRacket = 0;


            for (int i = 1; i <= input; i++)
            {
                string text = Console.ReadLine();

                foreach (char openBracket in text)
                {
                    if (openBracket == '(')
                    {
                        countOpenBracket++;
                    }
                    if (openBracket == ')')
                    {
                        countClosingBRacket++;
                    }

                }
            }

            if (countOpenBracket == countClosingBRacket)
            {
                Console.WriteLine("BALANCED");
            }
            else
            {
                Console.WriteLine("UNBALANCED");
            }
        }
    }
}