import java.util.*;

public class Main {

  public static void main(String[] args) {
    Scanner sc = new Scanner(System.in);
    long A = sc.nextInt();
    long B = sc.nextInt();
    long C = sc.nextInt();
    long X = sc.nextInt();
    long Y = sc.nextInt();

    long ans;
    if (C*2 < A+B) {
      if (X > Y) {
        ans = (X-Y)*Math.min(A,C*2) + 2*Y*C;
      } else {
        ans = (Y-X)*Math.min(B,C*2) + 2*X*C;
      }
    } else {
      ans = A*X + B*Y;
    }
    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