#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ull = unsigned long long;

void solve() {
    ll n, b, a; 
    cin >> n >> a >> b;

    if(n / b != a || n / a != b) {
        cout << "NO" << "\n";
        return;
    }

    string nstr = to_string(n);
    string astr = to_string(a);
    string bstr = to_string(b);

    ll nlen = nstr.length();
    ll blen = bstr.length();
    ll alen = astr.length();

    
    if (nlen % 2 != 0) {
        cout << "NO" << "\n";
        return;
    }

    if (nlen != alen + blen) {
        cout << "NO" << "\n";
        return;
    }

    if (alen != blen) {
        cout << "NO" << "\n";
        return;
    }

    if ((a % 10 == 0) && (b % 10 == 0)) {
        cout << "NO" << "\n";
        return;
    }    

    vector<ll> freq(10);

    while (a != 0) {
        ++freq[a % 10];
        a /= 10;
    }

    while (b != 0) {
        ++freq[b % 10];
        b /= 10;
    }

    while (n != 0) {
        --freq[n % 10];
        n /= 10;
    }

    for (ll i : freq) {
        if (i != 0) {
            cout << "NO" << "\n";
            return;
        }
    }

    cout << "YES" << "\n";
    return;
}

int main() {
    ios::sync_with_stdio(0);
    cin.tie(0);

    int t;
    cin >> t;
    while (t--) {
        solve();
    }

    return 0;
}