#include <bits/stdc++.h>
using namespace std;
 
#define ll long long
 
ll solve(ll n){
	ll days = 1, pages = 1, prev = 1;
	while(pages < n){
		prev = 2*prev;
		pages += prev;
		days++;
	}
	return days;
}
 
int main(){
	ll t; scanf("%lld",&t);
	while(t--){
		ll n; scanf("%lld",&n);
		printf("%lld\n",solve(n));
	}
	return 0;
}