import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        final Scanner sc = new Scanner(System.in);

        final int A = sc.nextInt();
        final int B = sc.nextInt();
        final int C = sc.nextInt();
        final int X = sc.nextInt();
        final int Y = sc.nextInt();


        final int price = Math.min(C*2,A+B) * Math.min(X, Y);
        final int nokori = Math.max(X, Y) - Math.min(X, Y);
        if (X > Y) {
            System.out.println(price + Math.min(nokori*A, nokori*C*2));
        } else {
            System.out.println(price + Math.min(nokori*B, nokori*C*2));
        }
    }
}
