//仲夏特供
#include <iostream>
using namespace std;
int main() {
  string a;
  int T = 0;
  cin >> T;
  for (int i = 0; i < T; i++) {
    cin >> a;
    int length1 = a.length();
    int biaoJi1 = 0;
    int biaoJi2 = 0;
    for (int j = 0; j < length1; j++) {
      if (a[j] == '(') {
        biaoJi1 = j;
        break;
      }
    }
    for (int j = biaoJi1; j < length1; j++) {
      if (a[j] == ')') {
        biaoJi2 = j;
      }
    }
    int sum = 0;
    for (int j = biaoJi1 + 1; j < biaoJi2; j++) {
      //   cout << a[j] << endl;
      if ('a' <= a[j] && a[j] <= 'z') {
        sum++;
      }
    }
    cout << sum << endl;
  }
}