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();

    int i = a * x + b * y;
    int ii = c * 2 * Math.max(x, y);
    int iii = 0;
    if (x > y) {
      iii = c * 2 * Math.min(x, y) + a * (x - y);
    } else {
      iii = c * 2 * Math.min(x, y) + b * (y - x);
    }
    System.out.println(Math.min(Math.min(i, ii), iii));
  }
}
