lolololo

#include <iostream>

using namespace std;

int main(){
    long long n, k, len, mid;
    cin >> n >> k;
    n = 1;
    len = 2;
    while (len <= k) {
        len *= 2;
        n++;
    }
    len--;
    while (len > 0) {
        mid = (len+1)/2;
        if (k > mid) {
            k = k - mid;
        } else if (k == mid) {
            cout << n << endl;
            break;
        }
        n--;
        len = mid - 1;
    }
    return 0;
}