#include <string>
#include <iostream>
#include <vector>
#include <unordered_map>
#include <utility>
#include <algorithm>
#include <iterator>

using std::cin;
using std::cout;
using std::endl;

using std::string;

using std::vector;
using std::unordered_map;
using std::pair;

namespace std
{
  template<>
  class hash< pair< string, string > >
  {
  public:
    size_t operator()(const pair< string, string >& p) const
    {
      return p.first[0] + p.second[0];
    }
  };
}



int main(int argc, char **argv)
{
  // (Skidmore, Yale) -> 1
  unordered_map< pair< string, string >, int> counts;
  counts[std::make_pair(std::string{"Skidmore"}, std::string{"Yale"})] = 1;
  counts[std::make_pair(std::string{"Notre Dame"}, std::string{"Virginia"})] = 2;

  for (auto& entry : counts)
    {
      // entry is a pair of (pairs of strings and ints)
      cout << entry.first.first << " "
	   << entry.first.second  << " "
	   << entry.second << endl;
    }
  
  return 0;
}