include [HTML_REMOVED]

include [HTML_REMOVED]

include [HTML_REMOVED]

include [HTML_REMOVED]

using namespace std;

int main()
{
int n;
cin >> n;

vector<string> s(n);
int max_len = 0;

for(int i = 0; i < n; i ++ ) 
{
    cin >> s[i];
    max_len = max(max_len, (int)s[i].length());
}

vector<string> result(max_len, string(n, '*'));

for(int i = 0; i < n; i ++ ) 
{
    string current_string = s[n - i - 1];
    for(int j = 0; j < current_string.length(); j++) 
    {
        result[j][i] = current_string[j];
    }
}

for(int i = 0; i < max_len; i ++ ) 
{
    while(!result[i].empty() && result[i].back() == '*') 
    {
        result[i].pop_back();
    }
}

for(string& line : result) 
{
    cout << line << endl;
}

return 0;

}