#include <iostream>
#include <vector>
using namespace std;

void printVector(vector<int>& v) {
 for (int & it : v) {
 cout << it << " ";
 }
 cout << endl;
}

int main() {
 std::cout << "Hello, World!" << std::endl;
 vector<int> v1(10,6);
 cout << "v1ĴСΪ" << v1.size() << endl;
 printVector(v1);
 return 0;
}