func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     long long n, h, i, j, t, m, l, r, q;     long long p = 0, k, w, z, x, y, d;     string s =   , st =   , s1 =   , s2 =   ;     q = 1;     for (l = 0; l < q; l++) {       int x1, y1, x2, y2;       std::cin >> x1 >> y1 >> x2 >> y2 >> x >> y;       p = x2 - x1;       h = y2 - y1;       z = 0;       if (p % x == 0 && h % y == 0) {         if (p / x == h / y)           z = 1;         else {           p = p / x;           h = h / y;           d = abs(p - h);           if (d % 2 == 0) z = 1;         }       }       if (z == 0)         std::cout <<  NO  << std::endl;       else         std::cout <<  YES  << std::endl;     }     return 0;   }   