#include <iostream>
#include <string>
#include <sstream>
#include <array>
#include <utility>
#include <map>

int main() {
    std::ios::sync_with_stdio(false);
    std::cin.tie(nullptr);

    std::string line;
    std::istringstream iss;

    int t = 0;
    std::cin >> t;
    std::cin.get();

    for (int i = 0; i < t; i++) {
        std::getline(std::cin, line);
        iss.clear();
        iss.str(line);

        int32_t n, a, b;
        iss >> n >> a >> b;

        std::string n_ = std::to_string(n); //std::cout << "n_: " << n_ << "\n";
        std::string a_ = std::to_string(a); //std::cout << "a_: " << a_ << "\n";
        std::string b_ = std::to_string(b); //std::cout << "b_: " << b_ << "\n\n-----\n";

//        std::cerr << "\n=== " << line << " ===\n\n";

        if (a * b != n) {
            std::cout << "NO\n";
//            std::cout << "soucin: " << a_.length() << ", " << b_.length() << "\n";
            continue;
        }

        if (a_.length() != b_.length() || n_.length() != 2 * a_.length()) {
            std::cout << "NO\n";
//            std::cout << "delka: " << a_ << " " << a_.length() << ", " << b_ << " " << b_.length() << "\n";
            continue;
        }

        if (a % 10 == 0 && b % 10 == 0) {
            std::cout << "NO\n";
//            std::cout << "modulo: " << a_.length() << ", " << b_.length() << "\n";
            continue;
        }

        std::map<char, std::pair<bool, int>> map;
        for (size_t j = 0; j < 10; ++j) {
            map[std::to_string(j)[0]] = {false, 1};
        }

        for (size_t j = 0; j < n_.length(); ++j) {
            map[n_[j]] = {true, 1};
        }

        std::string cat = a_ + b_;
//        std::cout << "cat: " << cat << ", " << cat.length() << '\n';

        for (size_t j = 0; j < cat.length(); ++j) {
            if (!map[cat[j]].first) {
//                std::cout << "mapa: " << a_.length() << ", " << b_.length() << "\n";
                goto umri;
            }
            map[cat[j]].second++;
        }

//        for (auto m : map) {
//            auto [f, c] = m;
//            std::cout << f << ", {" << c.first << ", " << c.second << "} \n";
//        }

        for (size_t j = 0; j < n_.length(); ++j) {
            if (map[n_[j]].first && map[n_[j]].second < 2) {
//                std::cout << "concat: " << a_.length() << ", " << b_.length() << "\n";
                goto umri;
            }
        }

        std::cout << "YES\n";
        continue;

        umri:
        std::cout << "NO\n";
    }

    return 0;
}