#include <iostream>
#include <string>
#include <map>

using namespace std;

int main()
{ map<string, int> m;
  m["abc"] = 12;
  m["def"] = 33;
  m["abc"] = 99;
  m["dog"] = 6;
  m["abc"] = 3;
  cout << m["abc"] << ", " << m["dog"] << "\n";
  cout << "horse appears " << m.count("horse") << " times\n";
  cout << "abc appears " << m.count("abc") << " times\n";
  cout << m.size() << "\n";
  for (map<string, int>::iterator p = m.begin(); p != m.end(); advance(p, 1))
    cout << p->first << " = " << p->second << "\n"; }