func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long int a, b, c, x, y, z;     cin >> a >> b >> c >> x >> y >> z;     long long int a1, b1, c1;     a1 = a - x;     b1 = b - y;     c1 = c - z;     long long int pol = 0, otr = 0;     pol += max(a1 / 2, (long long)0) + max(b1 / 2, (long long)0) +            max(c1 / 2, (long long)0);     otr += min(a1, (long long)0) + min(b1, (long long)0) + min(c1, (long long)0);     if (pol + otr >= 0)       cout <<  Yes ;     else       cout <<  No ;     cin.get();     cin.get();     return 0;   }   