#include <bits/stdc++.h>   using namespace std;   const long long INF = 1e18;   const int32_t M = 1e9 + 7;   const int32_t MM = 998244353;   void solve() {     long long x;     cin >> x;     long long n = 2;     long long tot = (n * (n - 1)) / 2;     long long ans = 0;     while (tot <= x) {       ans++;       n *= 2;       tot += (n * (n - 1)) / 2;     }     cout << ans << endl;   }   int32_t main() {     ios_base::sync_with_stdio(false);     cin.tie(0);     cout.tie(0);     long long t;     cin >> t;     while (t--) solve();     return 0;   }   