#include "doll.h"
#include <bits/stdc++.h>
using namespace std;
typedef vector<int> vi;
const int N=1e6+10;
int g[N][2],nw[N],val[N];
bool bb[N],usu[N];
void create_circuit(int m, vi a) {
a.push_back(0);
int n=a.size(),w=1;
while(w<n) w*=2;
for(int i=1;i<w;i++) g[i][0]=i*2,g[i][1]=i*2+1;
int kt=n;
for(int i=1;i<=w;i++){
int curr=1;
while(curr<w){
bb[curr]^=1;
curr=g[curr][bb[curr]];
}
int xd=2*w-curr;
g[curr][0]=-1,g[curr][1]=-1;
if(xd<=n){
val[curr]=a[--kt];
usu[curr]=0;
}else usu[curr]=1,val[curr]=-1;
}
for(int i=w-1;i>=1;i--)
if(usu[i*2] and usu[i*2+1]) usu[i]=1;
int li=0;
for(int i=1;i<w;i++){
if(!usu[i]){
nw[i]=++li;
}
}
vi c,x(li),y(li);
for(int i=0;i<=m;i++) c.push_back(-1);
for(int i=1;i<w/2;i++){
if(usu[i]) continue;
if(usu[i*2]) x[nw[i]-1]=-1;
else x[nw[i]-1]=-nw[g[i][0]];
if(usu[i*2+1]) y[nw[i]-1]=-1;
else y[nw[i]-1]=-nw[g[i][1]];
}
for(int i=w/2;i<w;i++){
if(usu[i]) continue;
x[nw[i]-1]=val[g[i][0]];
y[nw[i]-1]=val[g[i][1]];
}
//for(auto u:y) cout<<u<<"\n";
answer(c,x,y);
}
