#include <bits/stdc++.h>
using namespace std;
int cnt_digs(int a){
    int n =0;
    while(a){
        a /= 10;
        n++;
    }
    return n;
}

void per_digs(int a, int *arr, bool fg){
    while(a){
        fg == 1 ? arr[a%10]++ : arr[a%10]--;
        a /= 10;
    }
}
int main(){
    int t, n, a, b;
    cin >> t;
    while (t--){
        cin >> n >> a >> b;
        if (a > n){
            int swp = a;
            a = n;
            n = swp;
        }
        if (b > n){
            int swp = b;
            b = n;
            b = swp;
        }
        if (a * b != n){
            cout << "NO" << endl;
            continue;
        }
        int nn = cnt_digs(n);
        if (!(((nn / 2) == cnt_digs(b)) && (cnt_digs(a) == (nn / 2))  && (nn % 2 == 0))) {
           // cout << nn << " " << cnt_digs(b) << " " << cnt_digs(a) << endl;
            cout << "NO" << endl;
            continue;
        }
        if (a % 10 != 0 && b % 10 != 0){
            cout << "NO" << endl;
            continue;
        }
        int arr[10] = {0};
        per_digs(a, arr, 1);
        per_digs(b, arr, 1);
        per_digs(n, arr, 0);
        bool fg = true;
        for (int i = 0; i < 10; i++){
            if (arr[i] != 0){
                cout << "NO" << endl;
                fg = false;
                break;
            }
        }
        if (fg){
            cout << "YES" << endl;
        }
        else {
            cout << "NO" << endl;
        }
    }
}