// C++ program to demonstrate the use of list containers
#include <iostream>
#include <list>
#include <vector>



using namespace std;


int main()
{

   vector<int>  v1 ;
   v1.push_back( 1 ) ; v1.push_back( 2 ) ; v1.push_back( 3 ) ;
   v1.push_back( 4 ) ; v1.push_back( 5 ) ; v1.push_back( 6 ) ;

   v1.erase(v1.begin() + 2) ;
   v1.insert(v1.begin() + 1, 10 ) ;

   vector<int> v2 = { 20, 50 , 60 } ;
   v1.insert(v1.begin() + 1, v2.begin(), v2.end());


   for( int x1 : v1 )
     cout << x1 << " " ;
   cout << endl ;





	return 0  ;
}