func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int t;     cin >> t;     while (t--) {       int a1, a2, b1, b2;       cin >> a1 >> a2;       cin >> b1 >> b2;       if ((a2 == b2 && (a1 + b1 == a2)) || (a1 == b1 && (a2 + b2 == a1)) ||           (a2 == b1 && (a1 + b2 == a2)) || (a1 == b2 && (a2 + b1 == a1))) {         cout <<  Yes  << endl;       } else {         cout <<  No  << endl;       }     }     return 0;   }   