//uva11192 #include <iostream> #include <string> #include <algorithm> using namespace std; int main() { int group_count; string q; while (cin >> group_count >> q && group_count > 0) { int group_size = q.size() / group_count; for (int i = 0; i < q.size(); i += group_size) { string segment = q.substr(i, group_size); cout << string(segment.rbegin(), segment.rend()); } cout << endl; } }