#include <iostream>
#include <vector>
#include <algorithm>
#include <cstring>
using namespace std;

void solve() {
  string s;
  cin >> s;
  int x = 1;
  vector<int> a;
  for (size_t i = 0; i < s.size(); ++i) {
    if (s[i] == '^') {
      a.push_back(x);
      x = 1;
    } else {
      x++;
    }
  }
  a.push_back(x);
  // for (auto x : a) cout << x << ' ';
  // cout << ": ";
  int ans[23] = {};
  for (size_t i = 0; i < a.size(); ++i) {
    int x = a[i];
    for (int j = 22; j >= 0; --j) {
      if (x & (1 << j)) {
        ans[j]++;
      }
    }
  }
  int r = 0;
  for (int i = 22; i > 0; --i) {
    if (ans[i]) {
      r |= 1 << i;
      for (int j = i - 1; j > 0; --j) {
        ans[j] += ans[i] - 1;
      }
    }
  }
  r ^= ans[0] & 1;
  cout << r << endl;
}

int main() {
  ios::sync_with_stdio(false);
  int T;
  cin >> T;
  while (T-- > 0) {
    solve();
  }
  return 0;
}