#include "doll.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long
#define fall(i,a,b) for(int i=a;i<=b;i++)
#define rfall(i,a,b) for(int i=a;i>=b;i--)
#define sz(x) (int) x.size()
#define pb push_back
#define all(x) x.begin(),x.end()
const int MAXN=5e5+10;
const ll inf=1e17;
typedef pair<int,int> pii;
int n,X[MAXN],Y[MAXN],cur;
vector<int> resp;
void create_circuit(int M, std::vector<int> A){
n=sz(A);
bool ok=0;
rfall(i,20,0){
if(n&(1<<i)){
cur++;
X[cur]=1;
if(i) Y[cur]=-(cur+1);
ok=1;
continue;
}
if(!ok)continue;
cur++;
X[cur]=-1;
if(i) Y[cur]=-(cur+1);
}
resp={-1,-1};
vector<int> x(cur),y(cur);
fall(i,0,cur-1) x[i]=X[i+1],y[i]=Y[i+1];
answer(resp,x,y);
}
