#include <bits/stdc++.h>
using namespace std;
int main()
{
vector<int> v1 ={1,2,3,4,7,6,6,8,9};
vector<int> v2 ={10,11,12,13,14,15};
copy(v1.begin(),v1.begin()+3,v2.begin()+2);
for(auto i:v2)
{
cout<<i<<" ";
}
return 0;
}