#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <map>
using namespace std;
vector<pair<string, int>> ignor_register(vector<pair<string, int>>& text) {
    vector<pair<string, int>> new_v = {text[0]};
    string new_string1 = "";
    string new_string2 = "";
    for (int i = 0; i < text.size() - 1; ++i) {
        new_string1 = "";
        for (char c : text[i].first) {
            new_string1 += tolower(c);
        }
        new_string2 = "";
        for (char c : text[i + 1].first) {
            new_string2 += tolower(c);
        }
        if (new_string1 == new_string2) {
            new_v[new_v.size() - 1].second += text[i + 1].second;
        } else {
            new_v.push_back(pair<string, int>(text[i + 1].first, text[i + 1].second));
        }
    }
    return new_v;
}
int main() {
    vector<int> split_req;
    vector<pair<string, int>> text;
    string request;
    getline(cin, request);
    for (int i = 0; i < request.length(); i += 3) {
        if (request[i + 1] == 'i') {
            split_req.push_back(0);
        } else if (request[i + 1] == 'c') {
            split_req.push_back(3);
        } else if (request[i + 1] == 'd') {
            split_req.push_back(2);
        } else if (request[i + 1] == 'u') {
            split_req.push_back(1);
        }
    }
    string str;
    string old_str;
    getline(cin, old_str);
    int cnt = 1;
    while (getline(cin, str)) {
        if (str != old_str) {
            text.push_back(pair<string, int>(old_str, cnt));
            cnt = 1;
            old_str = str;
        } else {
            ++cnt;
        }
    }
    if (str != old_str) {
        text.push_back(pair<string, int>(old_str, cnt));
        cnt = 1;
        old_str = str;
    }
    bool output = false;
    int flag = 0;
    sort(split_req.begin(), split_req.end());
    for (int i : split_req) {
        if (i == 0) {
            text = ignor_register(text);
        } else if (i == 1) {
            flag += 1;
        } else if (i == 2) {
            flag += 2;
        } else if (i == 3) {
            output = true;
        }
    }
    if (output) {
        if (flag == 0) {
            for (auto pair : text) {
                cout << pair.second << " " << pair.first << endl;
            }
        } else if (flag == 1) {
            for (auto pair : text) {
                if (pair.second == 1) {
                    cout << pair.second << " " << pair.first << endl;
                }
            }
        } else if (flag == 2) {
            for (auto pair : text) {
                if (pair.second != 1) {
                    cout << pair.second << " " << pair.first << endl;
                }
            }
        }
    }
    else {
        if (flag == 0) {
            for (auto pair : text) {
                cout << pair.first << endl;
            }
        }
        else if (flag == 1) {
            for (auto pair : text) {
                if (pair.second == 1) {
                    cout << pair.first << endl;
                }
            }
        }
        else if (flag == 2) {
            for (auto pair : text) {
                if (pair.second != 1) {
                    cout << pair.first << endl;
                }
            }
        }
    }
    system("pause");
}