#include <iostream>
#include <vector>
using namespace std;
int main()
{
vector<int>wektor;
wektor.assign( { 1, 2, 3, 4 } );
wektor.push_back( 5 );
wektor.push_back( 6 );
wektor.erase (wektor.begin(), wektor.begin()+4);
for( auto it = wektor.begin(); it != wektor.end(); it++ )
cout << *it << " ";
return EXIT_SUCCESS;
}