#include<fstream>
#include<cstdio>
#define inf 1000000001
using namespace std;
int a,b,poz,val,n;
int t[100001],v[30001];

ifstream in("schi.in");

inline int max(int a, int b)
{
    if(a>b)
        return a;
    return b;
}

void actualizare(int p, int st, int dr,int a, int b)
{
    if(a<=st&&dr<=b)
    {
        t[p]=;
        return;
    }
    int m=(st+dr)/2;
    if(a<=m)
        actualizare(2*p,st,m,a,b);
    if(a>m)
        actualizare(2*p+1,m+1,dr,a,b);
    t[p]=max(t[2*p],t[2*p+1]);
}




int interogare(int p, int st, int dr)
{
    if(a<=st&&dr<=b)
        return t[p];
    int m1=-inf,m2=-inf, m=(st+dr)/2;
    if(a<=m)
        m1=interogare(2*p,st,m);
    if(b>m)
        m2=interogare(2*p+1,m+1,dr);
    return max(m1,m2);
}





int main()
{
    freopen("schi.out","w",stdout);
    int m,i,x;
    bool p;
    in>>n;
    t[0]=2*n;
    for(i=1;i<=n;++i)
    {
        in>>v[i];
        if(t[i/2]%2==1&&i%2==0)
            t[i]=t[i/2]/2+1;
        else
            t[i]=t[i/2]/2;
    }
    for(i=n;i>=1;--i)
    {
        poz=i;
        val=v[i];

    }
    return 0;
}