import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        // Your code here!
        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 <= c*2) {
            System.out.println(a*x+b*y);
            return;
        }
        
        int tmp = Math.min(x,y);
        
        int tmp2 = c * tmp * 2;
        
        int tmp3 = a * (x-tmp);
        int tmp4 = b * (y-tmp);
        
        int tmp5 = Math.max(x,y) * c * 2;
        
        int ans = Math.min(tmp5, tmp2+tmp3+tmp4);
        
        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