func_code_string: #include <bits/stdc++.h>   using namespace std;   double PI = 3.1415926536;   int dX[] = {1, -1, 0, 0};   int dY[] = {0, 0, 1, -1};   int main() {     int a, b, c, x, y, z, extra = 0, need = 0;     cin >> a >> b >> c >> x >> y >> z;     if (a > x)       extra += ((a - x) / 2) * 2;     else       need += x - a;     if (b > y)       extra += ((b - y) / 2) * 2;     else       need += y - b;     if (c > z)       extra += ((c - z) / 2) * 2;     else       need += z - c;     if (extra / 2 >= need)       cout <<  Yes n ;     else       cout <<  No n ;   }   