#include "doll.h"
#include <bits/stdc++.h>
#define FOR(i,p,k) for(int i=(p);i<=(k);++i)
#define REP(i,n) FOR(i,0,(n)-1)
#define ssize(x) (int(x.size()))
using namespace std;
void create_circuit(int m, vector<int> a){
int n = a.size();
vector<vector<int>> g(m+1);
REP(i, n){
if(i) g[a[i-1]].emplace_back(a[i]);
else g[0].emplace_back(a[i]);
}
g[a.back()].emplace_back(0);
int maks = 0;
FOR(i, 0, m) maks = max(maks, ssize(g[i]));
if(maks <= 4){
vector<int> c(m+1, 0);
int it = 0;
vector<int> x, y;
auto nowy = [&](){
x.emplace_back(0);
y.emplace_back(0);
++it;
};
FOR(i, 0, m) if(g[i].size()){
if(ssize(g[i]) == 1){
c[i] = g[i][0];
}
if(ssize(g[i]) == 2){
nowy();
c[i] = -(it-1)-1;
x[it-1] = g[i][0];
y[it-1] = g[i][1];
}
if(ssize(g[i]) == 3){
nowy(), nowy(), nowy();
c[i] = -(it-1)-1;
x[it-1] = -(it-2)-1;
y[it-1] = -(it-3)-1;
x[it-2] = -(it-1)-1;
y[it-2] = g[i][1];
x[it-3] = g[i][0];
y[it-3] = g[i][2];
}
if(ssize(g[i]) == 4){
nowy(), nowy(), nowy();
c[i] = -(it-1)-1;
x[it-1] = -(it-2)-1;
y[it-1] = -(it-3)-1;
x[it-2] = g[i][0];
y[it-2] = g[i][2];
x[it-3] = g[i][1];
y[it-3] = g[i][3];
}
}
/*printf("c: ");
for(int i : c) printf("%d ", i);
printf("\n");
printf("x: ");
for(int i : x) printf("%d ", i);
printf("\n");
printf("y: ");
for(int i : y) printf("%d ", i);
printf("\n");*/
answer(c, x, y);
return;
}
int N = 1;
while(N < n) N <<= 1;
}
