#include <iostream>
#include <set>
#include <vector>
#include <sstream>
#include <string>

bool is_number(const std::string& s) {
    if (s[0] >= '0' && s[0] <= '9') {
        return true;
    }
    return false;
}

std::pair<std::string, std::set<std::string>> split(const std::string& line) {
    std::string task;
    int count;
    std::set<std::string> complete;
    size_t found = line.find(" ");
    task = line.substr(0, found - 1);
    size_t found2 = line.find(" ", found + 1);
    count = std::stoi(line.substr(found + 1, found2 - found));
    while ()
}

int main() {
    int count;
    std::string task;
    std::string line;
    std::vector<std::string> contests;
    std::vector<std::set<std::string>> complete;
    while (std::getline(std::cin, line)) {
        std::stringstream l(line);
        l >> line;
        task = l;
        for (std::string s; l >> s; ) {

        }
    }
}