import java.util.*;

import static java.lang.System.*;

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

        // Cだけ
        long priceOnlyC = Math.max(X, Y) * 2 * C;

        // C + 残り A or B
        long priceCwithAB = Math.min(X, Y) * 2 * C;
        if (X > Y) {
            int xTmp = X - Y;
            priceCwithAB += xTmp * A;
        } else {
            int yTmp = Y - X;
            priceCwithAB += yTmp * B;
        }

        // C使わない
        long priceOnlyAB = A * X + B * Y;

        out.println(Math.min(priceOnlyC, Math.min(priceCwithAB, priceOnlyAB)));
    }
}
/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