#include <iostream>
using namespace std;
int main()
{
    int a, b, c, x, y, com, ext,tot=0;
    scanf("%d%d%d%d%d", &a, &b, &c, &x, &y);
    if (y > x)
    {
        int t = x;
        x = y;
        y = t;
        t = a;
        a = b;
        b = t;
    }
    com=y;ext=x-y;
    if(2*c<a+b)tot+=com*c*2;else tot+=com*(a+b);
    if(2*c<a)tot+=ext*2*c;else tot+=ext*a;\
    printf("%d",tot);
    return 0;
}