Rt

#include<bits/stdc++.h>
#define int long long
using namespace std;
int n;
int ans=0,a[100005];
signed main(){
	freopen("andor.in","r",stdin);
	freopen("andor.out","w",stdout);
	ios::sync_with_stdio(false);
	cin.tie(0),cout.tie(0);
	srand((unsigned)time(0));
    cin>>n;
    for(int i=1;i<=n;i++){
		cin>>a[i];
		ans+=a[i]*a[i];
	}
	while((double)clock()/CLOCKS_PER_SEC<0.93){
		int x=rand()*rand()%n+1,y=rand()*rand()%n+1;
		if(x==y) continue;
		int p1=a[x]&a[y],p2=a[x]|a[y];
		ans=ans-a[x]*a[x]-a[y]*a[y]+p1*p1+p2*p2;
		a[x]=p1,a[y]=p2;
	}
	cout<<ans<<"\n";
    return 0;
}