#include <bits/stdc++.h>
using namespace std;
struct custom_hash {
  static uint64_t splitmix64(uint64_t x) {
    x += 0x9e3779b97f4a7c15;
    x = (x ^ (x >> 30)) * 0xbf58476d1ce4e5b9;
    x = (x ^ (x >> 27)) * 0x94d049bb133111eb;
    return x ^ (x >> 31);
  }
  size_t operator()(uint64_t x) const {
    static const uint64_t FIXED_RANDOM =
        chrono::steady_clock::now().time_since_epoch().count();
    return splitmix64(x + FIXED_RANDOM);
  }
};
const int N = 2e3 + 1;
const int mod = 998244353;
long long int solve(long long int n) {
  if (n < 4) return n;
  --n;
  long long int res = 0;
  long long int y = n / 3 + 1 - 2;
  long long int x = 1;
  long long int mul = 4;
  while (y >= 0) {
    y -= mul;
    mul *= 4;
    x <<= 2;
  }
  y += mul / 4;
  long long int rem = n % 3;
  if (rem == 1) {
    x <<= 1;
    for (int i = 1; i < 60; i += 2) {
      long long int e = y & (1ll << (i - 1)), d = y & (1ll << i);
      if (d == 0 && e) {
        res |= 1ll << i;
      } else if (d && e == 0) {
        res |= 1ll << i;
        res |= 1ll << (i - 1);
      } else if (d && e) {
        res |= 1ll << (i - 1);
      }
    }
    res |= x;
  } else if (rem == 2) {
    x |= x << 1;
    for (int i = 1; i < 60; i += 2) {
      long long int e = y & (1ll << (i - 1)), d = y & (1ll << i);
      if (d == 0 && e) {
        res |= 1ll << i;
        res |= 1ll << (i - 1);
      } else if (d && e == 0) {
        res |= 1ll << (i - 1);
      } else if (d && e) {
        res |= 1ll << i;
      }
    }
    res |= x;
  } else {
    res = y | x;
  }
  bitset<10> z(res);
  return res;
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  int t;
  cin >> t;
  while (t--) {
    long long int n;
    cin >> n;
    long long int a, b, c;
    cout << solve(n) << endl;
    ;
  }
}
