#include <iostream>
#include <vector>
using namespace std;
int main(){
vector<int> v1 ={1,2,3,4,5};
vector<int> v2{1,2,3,4};
vector<int> v3(4,11);
cout << "vector1" <<" ";
for(int i:v1){
cout << i << " ";
}
for(int i:v1){
cout << i << " ";
}
for(int i:v1){
cout << i << " ";
}
}