#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B, C, X, Y;
  cin >> A >> B >> C >> X >> Y;
  int s, t, u;
  s = A * X + B * Y;
  t = C * max(X, Y) * 2;
  if (X >= Y)
    u = C * Y * 2 * A * (X - Y);
  else
    u = C * X * 2 * B * (Y - X);
  cout << min(min(s, t), u) << endl;
}
