#include "doll.h"
#include <bits/stdc++.h>
#define mp make_pair
#define f first
#define s second
#define sz(x) (int)(x).size()
#define rsz resize
#define ins insert
#define ft front()
#define bk back()
#define pf push_front
#define pb push_back
#define eb emplace_back
#define lb lower_bound
#define ub upper_bound
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pi;
typedef pair<ll,ll> pl;
typedef vector<int> vi;
typedef vector<bool> vb;
typedef vector<ll> vl;
typedef vector<pi> vpi;
typedef vector<pl> vpl;
template<class T>bool tmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool tmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
void create_circuit(int M, std::vector<int> A)
{
vector<int> C(M + 1);
C[0]=A[0];
for (int i=1;i<M;i++)
{
C[i]=A[i+1];
}
C[M]=0;
vector<int> X, Y;
answer(C, X, Y);
}
