public static void main ( String [ ] args ) throws Exception {
  Scanner sc = new Scanner ( System . in ) ;
  int n = sc . nextInt ( ) ;
  long [ ] cnt = new long [ 5 ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    char ch = sc . next ( ) . charAt ( 0 ) ;
    if ( ch == 'M' ) cnt [ 0 ] ++ ;
    if ( ch == 'A' ) cnt [ 1 ] ++ ;
    if ( ch == 'R' ) cnt [ 2 ] ++ ;
    if ( ch == 'C' ) cnt [ 3 ] ++ ;
    if ( ch == 'H' ) cnt [ 4 ] ++ ;
  }
  sc . close ( ) ;
  int c = 0 ;
  for ( int i = 0 ;
  i < cnt . length ;
  i ++ ) {
    if ( cnt [ i ] > 0 ) c ++ ;
  }
  if ( c < 3 ) {
    System . out . println ( 0 ) ;
    return ;
  }
  long ans = 0L ;
  for ( int i = 0 ;
  i < cnt . length ;
  i ++ ) {
    for ( int j = i + 1 ;
    j < cnt . length ;
    j ++ ) {
      for ( int k = j + 1 ;
      k < cnt . length ;
      k ++ ) {
        ans += cnt [ i ] * cnt [ j ] * cnt [ k ] ;
      }
    }
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) throws Exception { Scanner sc = new Scanner ( System . in ) ; int n = sc . nextInt ( ) ; long [ ] cnt = new long [ 5 ] ; for ( int i = 0 ; i < n ; i ++ ) { char ch = sc . next ( ) . charAt ( 0 ) ; if ( ch == ' M ' ) cnt [ 0 ] ++ ; if ( ch == ' A ' ) cnt [ 1 ] ++ ; if ( ch == ' R ' ) cnt [ 2 ] ++ ; if ( ch == ' C ' ) cnt [ 3 ] ++ ; if ( ch == ' H ' ) cnt [ 4 ] ++ ; } sc . close ( ) ; int c = 0 ; for ( int i = 0 ; i < cnt . length ; i ++ ) { if ( cnt [ i ] > 0 ) c ++ ; } if ( c < 3 ) { System . out . println ( 0 ) ; return ; } long ans = 0L ; for ( int i = 0 ; i < cnt . length ; i ++ ) { for ( int j = i + 1 ; j < cnt . length ; j ++ ) { for ( int k = j + 1 ; k < cnt . length ; k ++ ) { ans += cnt [ i ] * cnt [ j ] * cnt [ k ] ; } } } System . out . println ( ans ) ; }
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