#include <iostream>
#include <algorithm>
#include <iterator>
#include <vector>
int main()
{
int n;
std::cin >> n;
std::vector<int> v(n);
for(int x : v)
std::cin >> x;
std::vector<int> s(v.size());
std::copy(v.begin(), v.end(), s.begin());
std::copy(s.begin(), s.end(), std::ostream_iterator<int>(std::cout, ","));
}