#include <bits/stdc++.h>   using namespace std;   bool Check(long long A, long long B, long long T1, long long T2) {     if (!A && !B) return !T1 && !T2;     return !((T1 * A + T2 * B) % (A * A + B * B)) &&            !((T2 * A - T1 * B) % (A * A + B * B));   }   int main() {     long long X0, Y0, X1, Y1, X2, Y2;     cin >> X0 >> Y0 >> X1 >> Y1 >> X2 >> Y2;     cout << ((Check(X2, Y2, X1 - X0, Y1 - Y0) ||               Check(X2, Y2, Y1 - X0, -X1 - Y0) ||               Check(X2, Y2, -X1 - X0, -Y1 - Y0) ||               Check(X2, Y2, -Y1 - X0, X1 - Y0))                  ?  YES                   :  NO )          << endl;     return 0;   }   