import java.util.*;
public class Main {
    public static void main(String[] args) throws Exception {
        
        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();
		
        long price = 0;
        long price1 = 0;
        long price2 = 0;
        
        if(X<=Y){
            price1 = 2*C*X + B*(Y-X);
            price2 = 2*C*Y;
            price = Math.min(price1,price2);
        }else{
            price1 = 2*C*Y + A*(X-Y);
            price2 = 2*C*X;
            price = Math.min(price1,price2);
        }
        
        if(A*X+B*Y>=price){
            System.out.println(price);
        }else{
            System.out.println(A*X+B*Y);
        }
        
    }
}
/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