#include<iostream>
#include <bits/stdc++.h>
using namespace std;
int main()
{
vector<int> v = { 50,60,70,80,90}, v1;
vector<int>::iterator it;
it = v.insert(v.begin(), 40);
cout<<*it<<endl;
cout<<*v.begin();
it = v.insert(v.begin(), 1, 30);
cout << "The vector1 elements are: ";
for ( it = v.begin(); it != v.end(); ++it)
cout << *it << " ";
cout<<endl;
v1.insert(v1.begin(),v.begin(),v.end());
cout << "The vector2 elements are: ";
for (it = v1.begin(); it != v1.end(); ++it)
cout << *it << " ";
cout<<endl;
return 0;
}