#include <iostream>

#include <string>

using namespace std;

int main()

{

unsigned int N;

cin >> N;

string bracket;

int counter = 0, highest = 0, HighestPos = 0;

int sum = 0 , counter2 = 0, highest2 = 0, highestPos2 = 0;

for (int i = 1; i <= N; i++)