import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int A = Integer.parseInt(sc.next());
        int B = Integer.parseInt(sc.next());
        int C = Integer.parseInt(sc.next());
        int X = Integer.parseInt(sc.next());
        int Y = Integer.parseInt(sc.next());

        int result = 100000 * 5000 * 2;
        for (int i = 0; i <= 100000; i++) {
            result = Math.min(result, i * 2 * C + Math.max(0, X - i) * A + Math.max(0, Y - i) * B);

        }
        System.out.println(result);
    }
}
/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