public static void main ( String [ ] args ) throws Exception {
  Scanner sc = new Scanner ( System . in ) ;
  int n = Integer . parseInt ( sc . next ( ) ) ;
  int [ ] a = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) a [ i ] = Integer . parseInt ( sc . next ( ) ) ;
  int [ ] b = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) b [ i ] = Integer . parseInt ( sc . next ( ) ) ;
  int [ ] c = new int [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) c [ i ] = Integer . parseInt ( sc . next ( ) ) ;
  Arrays . sort ( a ) ;
  Arrays . sort ( b ) ;
  Arrays . sort ( c ) ;
  long ret = 0 ;
  int s = 0 , t = - 1 ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    while ( s < n && c [ s ] <= b [ i ] ) s ++ ;
    while ( t < n - 1 && a [ t + 1 ] < b [ i ] ) t ++ ;
    ret += ( long ) ( n - s ) * ( t + 1 ) ;
  }
  System . out . println ( ret ) ;
}

public static void main ( String [ ] args ) throws Exception { Scanner sc = new Scanner ( System . in ) ; int n = Integer . parseInt ( sc . next ( ) ) ; int [ ] a = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) a [ i ] = Integer . parseInt ( sc . next ( ) ) ; int [ ] b = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) b [ i ] = Integer . parseInt ( sc . next ( ) ) ; int [ ] c = new int [ n ] ; for ( int i = 0 ; i < n ; i ++ ) c [ i ] = Integer . parseInt ( sc . next ( ) ) ; Arrays . sort ( a ) ; Arrays . sort ( b ) ; Arrays . sort ( c ) ; long ret = 0 ; int s = 0 , t = - 1 ; for ( int i = 0 ; i < n ; i ++ ) { while ( s < n && c [ s ] <= b [ i ] ) s ++ ; while ( t < n - 1 && a [ t + 1 ] < b [ i ] ) t ++ ; ret += ( long ) ( n - s ) * ( t + 1 ) ; } System . out . println ( ret ) ; }
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