#include <string>
#include <iostream>

#include <vector>
#include <algorithm>

using namespace std;

struct Pair{
  string name;
  double val;
};

vector<Pair> pairs;

double& value(const string& s)
{
  for(int i=0; i < pairs.size(); i++)
    if(s == pairs[i].name)
      return pairs[i].val;

  Pair p = {s, 0};
  pairs.push_back(p);

  return pairs[pairs.size() - 1].val;
}

int main()
{
  string buf;
  while(cin>>buf) value(buf)++;
  
  for(vector<Pair>::const_iterator p = pairs.begin(); p != pairs.end(); ++p)
    cout << p->name << ": " << p->val << '\n';
  return 0;
}