func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int a, b, c, d;       cin >> a >> b >> c >> d;       if (min(a, b) + min(c, d) == max(a, b) && max(a, b) == max(c, d)) {         cout <<  YES n ;       } else {         cout <<  NO n ;       }     }   }   