public static void main ( String args [ ] ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = ( int ) sc . nextInt ( ) ;
  int a [ ] = new int [ N ] ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    a [ i ] = sc . nextInt ( ) ;
  }
  int ans = 0 ;
  Map < Integer , Integer > map = new HashMap < Integer , Integer > ( ) ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    while ( a [ i ] % 2 == 0 ) {
      a [ i ] /= 2 ;
    }
    map . put ( a [ i ] , 1 ) ;
  }
  System . out . println ( map . size ( ) ) ;
}

public static void main ( String args [ ] ) { Scanner sc = new Scanner ( System . in ) ; int N = ( int ) sc . nextInt ( ) ; int a [ ] = new int [ N ] ; for ( int i = 0 ; i < N ; i ++ ) { a [ i ] = sc . nextInt ( ) ; } int ans = 0 ; Map < Integer , Integer > map = new HashMap < Integer , Integer > ( ) ; for ( int i = 0 ; i < N ; i ++ ) { while ( a [ i ] % 2 == 0 ) { a [ i ] /= 2 ; } map . put ( a [ i ] , 1 ) ; } System . out . println ( map . size ( ) ) ; }
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