#include <bits/stdc++.h> //Andrei Alexandru a.k.a Sho
#include "islands.h"
using ll=long long;
using ld=long double;
int const INF=1000000005;
ll const LINF=1000000000000000005;
ll const mod=1000000007;
ld const PI=3.14159265359;
ll const MAX_N=3e5+5;
ld const EPS=0.00000001;
#pragma GCC optimize("O3")
#pragma GCC optimize("Ofast")
#define f first
#define s second
#define pb push_back
#define mp make_pair
#define endl '\n'
#define sz(a) (int)a.size()
#define CODE_START ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
using namespace std;
std::variant<bool, std::vector<int>> find_journey(
int N, int M, std::vector<int> U, std::vector<int> V) {
if (N == 2){
vector<ll>g[3];
for(ll i=0;i<M;i++)
{
g[U[i]].pb(i);
}
if(g[0].size()>=2&&g[1].size()>=1){
return true;
}else return false;
}else return false;
}
