#include<iostream>
#include<vector>
using namespace std;

vector<int>* method()
{
	vector<int> v={1,2,3};
	vector<int> *p=&v;
	cout<<p->front()<<endl;
	return p;
}

int main()
{
	auto p=method();
	cout<<p->front()<<endl;
	return 0;
}