#include <iostream>
#include <cmath>
#include <vector>
#include <map>

using namespace std;

int main() {
    int t;
    cin >> t;
    while (t--) {
        long long n, a, b;
        cin >> n >> a >> b;

        bool is_v = false;
        if (n == a *b) {
            string ns = to_string(n);
            string as = to_string(a);
            string bs = to_string(b);
            map<char, int> m;

            bool is_amt = 0;

            for (int i = 0; i < ns.size(); ++i) {
                m[ns[i]]++;
            }

            if (as.size() == bs.size()) {
                map<char, int> abm;
             for (int i = 0; i < as.size(); ++i) {
                abm[as[i]]++;
                abm[bs[i]]++;
             }
             bool premutable = true;
             for (auto &p : m) {
                if (abm[p.first] != p.second) {
                    premutable = false;
                }
             } if (premutable) { 
                if (a % 10 !=0 || b % 10 != 0) {
                        is_v = true;
                }
            }
            }
        }
        if (is_v) {
            cout << "YES\n";
        } else {
            cout << "NO\n";
        }
        
    }
    return 0;
}