import java.util.Scanner;

class Main {
    static public void main(String args[]){

        Scanner scan = new Scanner(System.in);
        int Apizza = scan.nextInt();
        int Bpizza = scan.nextInt();
        int ABpizza = scan.nextInt();
        int X = scan.nextInt();
        int Y = scan.nextInt();

        int price=(int)1e9;

        price = Math.min(price, ABpizza * Math.max(X,Y)) * 2;
        price = Math.min(price, ABpizza * Math.min(X,Y) * 2 + (Math.max(X,Y)==X ? Apizza : Bpizza) * Math.abs(X-Y));
        price = Math.min(price, Apizza * X + Bpizza * Y);

        System.out.println(price);

    }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz