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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	}
} import java.util.Scanner; Scanner java.util 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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	}
} 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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	} main {
		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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc int x = sc.nextInt(); x sc.nextInt() sc.nextInt sc int y = sc.nextInt(); y sc.nextInt() sc.nextInt sc int ans = Integer.MAX_VALUE; ans Integer.MAX_VALUE Integer Integer.MAX_VALUE for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		} int i = 0; int i = 0; i 0 i <= Math.max(x, y) i Math.max(x, y) Math.max Math x y i++ i++ i {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		} {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		} int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0); temp c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0) c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0) c * 2 * i c * 2 * i c 2 i a * Math.max(x - i, 0) a Math.max(x - i, 0) Math.max Math x - i x i 0 b * Math.max(y - i, 0) b Math.max(y - i, 0) Math.max Math y - i y i 0 if (temp < ans) {
				ans = temp;
			} temp < ans temp ans {
				ans = temp;
			} ans = temp ans temp System.out.println(ans) System.out.println System.out System System.out ans String[] args args 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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	}
} 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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	}
} Main
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 ans = Integer.MAX_VALUE;
		for (int i = 0; i <= Math.max(x, y); i++) {
			int temp = c * 2 * i + a * Math.max(x - i, 0) + b * Math.max(y - i, 0);
			if (temp < ans) {
				ans = temp;
			}
		}
		System.out.println(ans);
	}
}