#include <bits/stdc++.h>

using namespace std;

using ll = long long;
using ull = unsigned long long;

ll MOD = 1'000'000'007;

signed main() {
    ll tt;
    cin >> tt;
    while(tt--) {
        ll n, a, b;
        cin >> n >> a >> b;
        ll ln = (ll)(log10l(n)) + 1;
        ll la = (ll)(log10l(a)) + 1;
        ll lb = (ll)(log10l(b)) + 1;
        if (a * b == n) {
            if (lb == ln / 2 && la == ln / 2) {
                if (a % 10 != 0 || b % 10 != 0) {
                    vector<ll> va(la);
                    vector<ll> vb(lb);
                    for (int i = 0; i < lb; i++) {
                        ll l = n % 10;
                        vb[i] = l;
                        n /= 10;
                    }
                    for (int i = 0; i < la; i++) {
                        ll l = n % 10;
                        va[i] = l;
                        n /= 10;
                    }
                    int c = 0;
                    while (a) {
                        for (int i = 0; i < la; i++) {
                            if (a % 10 == va[i]) {
                                va[i] = -1;
                                c++;
                                break;
                            }
                        }
                        a /= 10;
                    }
                    while (b) {
                        for (int i = 0; i < lb; i++) {
                            if (b % 10 == vb[i]) {
                                vb[i] = -1;
                                c++;
                                break;
                            }
                        }
                        b /= 10;
                    }
                    if (c == ln) cout << "YES" << '\n';
                    else cout << "NO" << '\n';
                }
                else cout << "NO" << '\n';
            }
            else cout << "NO" << '\n';
        }
        else cout << "NO" << '\n';
    }
}