public static void main ( String [ ] args ) throws IOException {
  Scanner in = new Scanner ( System . in ) ;
  int N = in . nextInt ( ) ;
  long [ ] march = new long [ 5 ] ;
  String marchS = "MARCH" ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    String S = in . next ( ) . substring ( 0 , 1 ) ;
    for ( int j = 0 ;
    j < 5 ;
    j ++ ) {
      if ( S . equals ( String . valueOf ( marchS . charAt ( j ) ) ) ) {
        march [ j ] ++ ;
        break ;
      }
    }
  }
  long ans = 0 ;
  for ( int i = 0 ;
  i < 5 - 2 ;
  i ++ ) {
    for ( int j = i + 1 ;
    j < 5 - 1 ;
    j ++ ) {
      for ( int k = j + 1 ;
      k < 5 ;
      k ++ ) {
        ans += march [ i ] * march [ j ] * march [ k ] ;
      }
    }
  }
  System . out . println ( ans ) ;
}

public static void main ( String [ ] args ) throws IOException { Scanner in = new Scanner ( System . in ) ; int N = in . nextInt ( ) ; long [ ] march = new long [ 5 ] ; String marchS = " MARCH " ; for ( int i = 0 ; i < N ; i ++ ) { String S = in . next ( ) . substring ( 0 , 1 ) ; for ( int j = 0 ; j < 5 ; j ++ ) { if ( S . equals ( String . valueOf ( marchS . charAt ( j ) ) ) ) { march [ j ] ++ ; break ; } } } long ans = 0 ; for ( int i = 0 ; i < 5 - 2 ; i ++ ) { for ( int j = i + 1 ; j < 5 - 1 ; j ++ ) { for ( int k = j + 1 ; k < 5 ; k ++ ) { ans += march [ i ] * march [ j ] * march [ k ] ; } } } System . out . println ( ans ) ; }
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