#include <bits/stdc++.h>
using namespace std;
int a, b, c, xx, yy, rs;
int main() {
  cin >> a >> b >> c >> xx >> yy;
  if (a + b < 2 * c) {
    rs = xx * a + yy * b;
  } else {
    if (xx > yy) {
      rs = 2 * c * yy;
      if (2 * c < a)
        rs += (xx - yy) * c;
      else
        rs += (xx - yy) * a;
    } else {
      rs = 2 * c * xx;
      if (2 * c < b)
        rs += (-xx + yy) * c;
      else
        rs += (-xx + yy) * b;
    }
  }
  cout << rs << endl;
}
