#include <bits/stdc++.h> using namespace std; typedef long long ll; int count2(ll x) { int cnt = 0; while (x % 2 == 0) { cnt++; x /= 2; } return cnt; } int n; int main() { ll x; cin >> n; int min_cnt = INT_MAX;
for (int i = 1; i <= n; i++) { cin >> x; int c = count2(x); if (c < min_cnt) { min_cnt = c; } if (min_cnt == 0) { break; } } cout << min_cnt << endl; return 0; }