#include <bits/stdc++.h>   using namespace std;   void _print(int32_t t) { cerr << t; }   void _print(int64_t t) { cerr << t; }   void _print(string t) { cerr << t; }   void _print(char t) { cerr << t; }   void _print(long double t) { cerr << t; }   void _print(double t) { cerr << t; }   void _print(unsigned long long t) { cerr << t; }   template <class T, class V>   void _print(pair<T, V> p);   template <class T>   void _print(vector<T> v);   template <class T>   void _print(set<T> v);   template <class T, class V>   void _print(map<T, V> v);   template <class T>   void _print(multiset<T> v);   template <class T, class V>   void _print(pair<T, V> p) {     cerr <<  { ;     _print(p.first);     cerr <<  , ;     _print(p.second);     cerr <<  } ;   }   template <class T>   void _print(vector<T> v) {     cerr <<  [  ;     for (T i : v) {       _print(i);       cerr <<    ;     }     cerr <<  ] ;   }   template <class T>   void _print(set<T> v) {     cerr <<  [  ;     for (T i : v) {       _print(i);       cerr <<    ;     }     cerr <<  ] ;   }   template <class T>   void _print(multiset<T> v) {     cerr <<  [  ;     for (T i : v) {       _print(i);       cerr <<    ;     }     cerr <<  ] ;   }   template <class T, class V>   void _print(map<T, V> v) {     cerr <<  [  ;     for (auto i : v) {       _print(i);       cerr <<    ;     }     cerr <<  ] ;   }   int64_t find(int64_t mid) {     int64_t ans = 0;     while (mid != 0) {       mid /= 2;       ans++;     }     return ans;   }   void solve() {     int64_t n, k;     cin >> n >> k;     int64_t low = 1, high = 1;     for (int64_t i = 0; i < n - 1; i += 1) {       high *= 2;       high++;     }     while (low <= high) {       int64_t mid = (low + high) / 2;       if (mid == k) {         cout << find(high - low + 1);         return;       }       if (mid > k) {         high = mid - 1;       }       if (mid < k) low = mid + 1;     }   }   signed main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     int64_t t = 1;     while (t--) {       solve();       cout <<   n ;     }   }   