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 sum = 0;
    
    if(A+B>C*2){
      int temp = Math.min(X, Y);
      sum += temp*C*2;
      X -= temp;
      Y -= temp;
    }
    
    if(A>C*2){
      sum += X*C*2;
    } else {
      sum += X*A;
    }
    
    if(B>C*2){
      sum += Y*C*2;
    } else {
      sum += Y*B;
    }
    
    System.out.println(sum);
  }
}
        
/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