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#include<bits/stdc++.h>
using namespace std;
ifstream F("dtcsu.in");
ofstream G("dtcsu.out");
int n=276997,s,r,t,i,k;
long long a[276997],m;
int main()
{
for(;n--;)
if(F>>m,m&1)
a[k++]=m;
for(sort(a,a+k),s=1;s<k;s<<=1);
for(F>>n;n--;)
if(F>>m,m) {
if(m=m/(m&-m),m==1)
++r;
else if(m<=a[k-1]) {
for(i=0,t=s;t;t>>=1)
if(i+t<k&&a[i+t]<=m)
i+=t;
if(a[i]==m)
++r;
}
}
return G<<r,0;
}