#include <bits/stdc++.h>
using namespace std;
long long parse(string s) {
  long long k = 1, ret = 0;
  for (int i = 0; i < s.size(); i++)
    ret += k * (long long)(s[s.size() - i - 1] - '0'), k *= 4;
  return ret;
}
string change(string s) {
  string ret = s;
  for (int i = 0; i < ret.size(); i++) {
    if (ret[i] == '1')
      ret[i] = '2';
    else if (ret[i] == '2')
      ret[i] = '3';
    else if (ret[i] == '3')
      ret[i] = '1';
  }
  return ret;
}
int main() {
  ios::sync_with_stdio(0);
  cin.tie(0);
  int t;
  cin >> t;
  while (t--) {
    long long n;
    cin >> n;
    long long idx = (n + 2) / 3, m = n % 3;
    long long k = 0, sum = 0;
    while (sum < idx) sum += (1ll << (2 * k)), k++;
    k--;
    long long buf = (1ll << (2 * k)), c = sum - buf + 1;
    string ans = "1";
    for (int i = k - 1; i >= 0; i--) {
      long long div = (1ll << (2 * i));
      long long d = (idx - c) / div;
      ans += (char)('0' + d);
      c += div * d;
    }
    long long f = parse(ans);
    long long s = parse(change(ans));
    if (m == 1)
      cout << f << '\n';
    else if (m == 2)
      cout << s << '\n';
    else
      cout << (f ^ s) << '\n';
  }
  return 0;
}
