---

#include <iostream>
#include <string>
#include <map>
#include <sstream>
#include <iomanip>

int main() {
    std::string text = "hello world hello c++ world";
    std::map<std::string, int> freq;
    std::istringstream iss(text);
    std::string word;
    while (iss >> word) {
        ++freq[word];
    }
    for (const auto& p : freq) {
        std::cout << std::setw(10) << p.first << ": " << p.second << '\n';
    }
    return 0;
}