UVa 11192 - Group Reverse

// UVa 11192 - Group Reverse

#include <iostream>
#include <string>
#include <algorithm>
using namespace std;

int main() {
	int g;
	cin >> g;
	while (g) {
		string s;
		cin >> s;
		int l = s.length() / g;
		string::iterator i = s.begin();
		while (i != s.end()) {
			reverse(i, i + l);
			i += l;
		}
		cout << s << endl;
		cin >> g;
	}
	return 0;
}