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


int main()
{
    std::map<std::string, int> dictionary;
    //std::ifstream input("fruits.txt");
    std::string word;
    while (std::cin >> word)
        dictionary[word]++;
    for(const auto& e: dictionary)
        std::cout << e.first << ": " << e.second << '\n';
}