public static void main ( String [ ] args ) throws IOException {
  FastScanner sc = new FastScanner ( ) ;
  int n = sc . nextInt ( ) ;
  long l = sc . nextLong ( ) ;
  long r = sc . nextLong ( ) ;
  long ql = sc . nextLong ( ) ;
  long qr = sc . nextLong ( ) ;
  long [ ] w = sc . nextLongArray ( n ) ;
  long [ ] lsum = new long [ n + 1 ] ;
  long [ ] rsum = new long [ n + 1 ] ;
  lsum [ 1 ] = w [ 0 ] ;
  for ( int i = 2 ;
  i <= n ;
  i ++ ) lsum [ i ] = lsum [ i - 1 ] + w [ i - 1 ] ;
  rsum [ n - 1 ] = w [ n - 1 ] ;
  for ( int i = n - 2 ;
  i >= 0 ;
  i -- ) rsum [ i ] = rsum [ i + 1 ] + w [ i ] ;
  long min = Integer . MAX_VALUE ;
  for ( int i = 0 ;
  i <= n ;
  i ++ ) {
    int lop = i ;
    int rop = n - i ;
    long cost = lsum [ lop ] * l + rsum [ n - rop ] * r ;
    if ( lop > rop ) {
      cost += ( lop - rop - 1 ) * ql ;
    }
    else if ( rop > lop ) {
      cost += ( rop - lop - 1 ) * qr ;
    }
    min = Math . min ( min , cost ) ;
  }
  System . out . println ( min ) ;
}

public static void main ( String [ ] args ) throws IOException { FastScanner sc = new FastScanner ( ) ; int n = sc . nextInt ( ) ; long l = sc . nextLong ( ) ; long r = sc . nextLong ( ) ; long ql = sc . nextLong ( ) ; long qr = sc . nextLong ( ) ; long [ ] w = sc . nextLongArray ( n ) ; long [ ] lsum = new long [ n + 1 ] ; long [ ] rsum = new long [ n + 1 ] ; lsum [ 1 ] = w [ 0 ] ; for ( int i = 2 ; i <= n ; i ++ ) lsum [ i ] = lsum [ i - 1 ] + w [ i - 1 ] ; rsum [ n - 1 ] = w [ n - 1 ] ; for ( int i = n - 2 ; i >= 0 ; i -- ) rsum [ i ] = rsum [ i + 1 ] + w [ i ] ; long min = Integer . MAX_VALUE ; for ( int i = 0 ; i <= n ; i ++ ) { int lop = i ; int rop = n - i ; long cost = lsum [ lop ] * l + rsum [ n - rop ] * r ; if ( lop > rop ) { cost += ( lop - rop - 1 ) * ql ; } else if ( rop > lop ) { cost += ( rop - lop - 1 ) * qr ; } min = Math . min ( min , cost ) ; } System . out . println ( min ) ; }
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