func_code_string: #include <bits/stdc++.h>   using namespace std;   const int MAXN = 200005;   const int inf = 1000000007;   int main() {     int a, b, c;     int x, y, z;     cin >> a >> b >> c;     cin >> x >> y >> z;     int da = a - x;     int db = b - y;     int dc = c - z;     int can = max(0, da / 2) + max(0, db / 2) + max(0, dc / 2);     int needed = min(0, da) + min(0, db) + min(0, dc);     cout << (can + needed >= 0 ?  Yes  :  No ) << endl;     return 0;   }   