import java.util.Scanner;

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();

		if(A+B < 2*C) {
			System.out.println((A*X)+(B*Y));
		}else {
			int ans = 0;

			ans += Math.min(X, Y) * (2*C);

			int price = 0;
			if(X>Y) price = A;
			else price = B;

			ans += Math.min(price, 2*C) * Math.abs(X-Y);
			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