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

template<typename T1, typename T2> ostream& operator<<(ostream& s, const map<T1, T2>& m) {
	s << "{" << endl;
	for (typeof(m.begin()) itr = m.begin(); itr != m.end(); ++itr) {
		s << "\t" << (*itr).first << " : " << (*itr).second << endl;
	}
	s << "}" << endl;
	return s;
}

int main(int argc, char** argv) {
	map<int, char> m;
	for (int i = 0; i < 26; ++i) {
		m[i] = 'a' + i;
	}
	cout << m << endl;

	return 0;
}