

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        while (sc.hasNextInt()) {
            int a = sc.nextInt();
            int b = sc.nextInt();
            int c = sc.nextInt();
            int x = sc.nextInt();
            int y = sc.nextInt();
            int ans = Integer.MAX_VALUE;
            for (int i = 0; i <= Math.max(x, y) * 2; i++) {
                int remX = Math.max(0, x - i / 2);
                int remY = Math.max(0, y - i / 2);

                ans = Math.min(ans, c * i + remX * a + remY * b);
            }
            System.out.println(ans);
        }
    }
}

/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