func_code_string: #include <bits/stdc++.h>   using namespace std;   int32_t main() {     long long int t;     cin >> t;     while (t--) {       long long int x = 0;       long long int n, m;       cin >> n >> m;       for (long long int i = 0; i < n; i++) {         long long int a, b, c, d;         cin >> a >> b >> c >> d;         if (b == c && m % 2 != 1 && x != 1) {           cout <<  Yes  << endl;           x = 1;         }       }       if (x == 0) cout <<  No  << endl;     }   }   