#include <iostream>
using namespace std;
int main()
{
    int a, b, c, x, y, minn = 0;
    cin >> a >> b >> c >> x >> y;
    if (x > y)
        minn = min(min((y * c * 2 + a * (x - y)), (x * a + y * b)), x * c * 2);
    else
        minn = min(min((x * c * 2 + a * (y - x)), (y * a + x * b)), y * c * 2);
    cout << minn;
    return 0;
}