#include <bits/stdc++.h>
using namespace std;
int main() {
  int A, B, C, X, Y;
  int Ap, Bp, Cp;
  cin >> A >> B >> C >> X >> Y;
  Ap = 0;
  Bp = 0;
  Cp = 0;
  if (A + B > 2 * C) {
    if (X < Y) {
      Cp = 2 * X;
      if (B > 2 * C) {
        Cp = Cp + (Y - X) * 2;
      } else {
        Bp = Y - X;
      }
    } else if (Y < X) {
      Cp = 2 * Y;
      if (A > 2 * C) {
        Cp = Cp + (X - Y) * 2;
      } else {
        Ap = X - Y;
      }
    }
  } else {
    Ap = X;
    Bp = Y;
  }
  cout << Ap * A + Bp * B + Cp * C << endl;
}
