public static void main ( String [ ] args ) {
  Scanner puttingvaluesinside = new Scanner ( System . in ) ;
  int arr [ ] [ ] = new int [ 1001 ] [ 1001 ] ;
  int t = puttingvaluesinside . nextInt ( ) ;
  while ( t -- > 0 ) {
    int temp = puttingvaluesinside . nextInt ( ) ;
    for ( int i = 0 ;
    i < arr . length ;
    i ++ ) {
      if ( arr [ i ] [ temp ] == 0 ) {
        arr [ i ] [ temp ] = 1 ;
        break ;
      }
    }
  }
  int ans = 0 ;
  for ( int i = 0 ;
  i < arr . length ;
  i ++ ) {
    int count = 0 ;
    for ( int j = 0 ;
    j < arr . length ;
    j ++ ) {
      if ( arr [ i ] [ j ] == 1 ) count ++ ;
    }
    if ( count == 0 ) break ;
    ans += count - 1 ;
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) { Scanner puttingvaluesinside = new Scanner ( System . in ) ; int arr [ ] [ ] = new int [ 1001 ] [ 1001 ] ; int t = puttingvaluesinside . nextInt ( ) ; while ( t -- > 0 ) { int temp = puttingvaluesinside . nextInt ( ) ; for ( int i = 0 ; i < arr . length ; i ++ ) { if ( arr [ i ] [ temp ] == 0 ) { arr [ i ] [ temp ] = 1 ; break ; } } } int ans = 0 ; for ( int i = 0 ; i < arr . length ; i ++ ) { int count = 0 ; for ( int j = 0 ; j < arr . length ; j ++ ) { if ( arr [ i ] [ j ] == 1 ) count ++ ; } if ( count == 0 ) break ; ans += count - 1 ; } System . out . println ( ans ) ; }
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