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();
		sc.close();
		int ans = 0;
		int min = Math.min(x, y);
		int minac = Math.min(a, c*2);
		int minbc = Math.min(b, c*2);
		
		if(a+b <= c*2) {
			ans = a*x + b*y;
		}else {
			ans = c*2*min + minac*(x-min) + minbc*(y-min); 
		}
		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