#include <iostream>
#include <map>
#include <string>
#include <algorithm>
#include <execution>

using namespace std;

int main() {

        string w;
        map<string, int> counts;

        while (cin >> w) {
                if (counts.count(w))
                        ++counts[w];
                else {
                        counts[w] = 1;
                }
        }

        for (const auto &wordcount : counts) { // "range for"
                cout << "Word |" << wordcount.first
                        << "| appears " << wordcount.second << endl;
        }

        for_each(std::execution::par_unseq, // parallel_unsequenced_policy
                begin(counts), end(counts),
                [](const auto &wordcount) {
                        cout << "Word |" << wordcount.first
                                << "| appears " << wordcount.second << endl;
                });
        return 0;
}