#include <bits/stdc++.h>

using namespace std;
#define ld long double
#define ll long long


int nDigs(ll n) {
    int ans = 0;
    while (n > 0) {
        n /= 10;
        ans++;
    }
    return ans;
}

ll n, a, b;
void solve() {
    cin >> n >> a >> b;
    
    if (n != a * b) {
        cout << "NO\n";
        return;
    }
    int nDa = nDigs(a);
    int nDb = nDigs(b);
    int nDn = nDigs(n);
    if (2*nDa != nDn || 2*nDb != nDn) {
        cout << "NO\n";
        return;
    }
    if (a % 10 == 0 && b % 10 == 0) {
        cout << "NO\n";
        return;
    }

    string common = "";
    while (a > 0) {
        common.push_back((char)((a % 10) + '0'));
        a /= 10;
    }
    while (b > 0) {
        common.push_back((char)((b % 10) + '0'));
        b /= 10;
    }

    string need = "";
    while (n > 0) {
        need.push_back((char)((n % 10) + '0'));
        n /= 10;
    }

    sort(common.begin(), common.end());
    sort(need.begin(), need.end());
    
    if (common == need) cout << "YES\n";
    else cout << "NO\n";
}

int main() {
    ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
    int t;
    cin >> t;
    for (int i = 1; i <= t; i++) {
        solve();
    }
    return 0;
}