#include <iostream>
#include <sstream>
#include <iomanip>
#include <vector>
#include <string>
#include <map>
#include <set>
#include <algorithm>
#include <numeric>
#include <iterator>
#include <functional>
#include <complex>
#include <queue>
#include <stack>
#include <cmath>
#include <cassert>
#include <tuple>
using namespace std;
typedef long long LL;
typedef complex<double> CMP;
class AmebaDiv1 { public:
int count(vector <int> X)
{
set<int> last(X.begin(), X.end());
int cnt = 0;
for(int E : last)
if(!can_end_by(X, E))
++cnt;
return cnt;
}
bool can_end_by(const vector<int>& X, int E)
{
for(int B=E;;) {
if(run(B, X) == E)
return true;
if(B%2==0)
B/=2;
else
break;
}
return false;
}
int run(int B, const vector<int>& X)
{
for(int x: X)
B = (x==B ? B*2 : B);
return B;
}
};
// BEGIN CUT HERE
#include <ctime>
double start_time; string timer()
{ ostringstream os; os << " (" << int((clock()-start_time)/CLOCKS_PER_SEC*1000) << " msec)"; return os.str(); }
template<typename T> ostream& operator<<(ostream& os, const vector<T>& v)
{ os << "{ ";
for(typename vector<T>::const_iterator it=v.begin(); it!=v.end(); ++it)
os << '\"' << *it << '\"' << (it+1==v.end() ? "" : ", "); os << " }"; return os; }
void verify_case(const int& Expected, const int& Received) {
bool ok = (Expected == Received);
if(ok) cerr << "PASSED" << timer() << endl; else { cerr << "FAILED" << timer() << endl;
cerr << "\to: \"" << Expected << '\"' << endl << "\tx: \"" << Received << '\"' << endl; } }
#define CASE(N) {cerr << "Test Case #" << N << "..." << flush; start_time=clock();
#define END verify_case(_, AmebaDiv1().count(X));}
int main(){
CASE(0)
int X_[] = {3,2,1};
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = 2;
END
CASE(1)
int X_[] = {2,2,2,2,2,2,4,2,2,2};
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = 2;
END
CASE(2)
int X_[] = {1,2,4,8,16,32,64,128,256,1024,2048};
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = 11;
END
CASE(3)
int X_[] = {854,250,934,1000,281,250,281,467,854,562,934,1000,854,500,562};
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = 7;
END
/*
CASE(4)
int X_[] = ;
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = ;
END
CASE(5)
int X_[] = ;
vector <int> X(X_, X_+sizeof(X_)/sizeof(*X_));
int _ = ;
END
*/
}
// END CUT HERE