public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  int N = sc . nextInt ( ) ;
  String [ ] names = new String [ N ] ;
  long countM = 0 ;
  long countA = 0 ;
  long countR = 0 ;
  long countC = 0 ;
  long countH = 0 ;
  String [ ] I = new String [ N ] ;
  for ( int i = 0 ;
  i < N ;
  i ++ ) {
    names [ i ] = sc . next ( ) ;
    I [ i ] = names [ i ] . substring ( 0 , 1 ) ;
  }
  for ( int k = 0 ;
  k < N ;
  k ++ ) {
    if ( I [ k ] . equals ( "M" ) ) countM ++ ;
    else if ( I [ k ] . equals ( "A" ) ) countA ++ ;
    else if ( I [ k ] . equals ( "R" ) ) countR ++ ;
    else if ( I [ k ] . equals ( "C" ) ) countC ++ ;
    else if ( I [ k ] . equals ( "H" ) ) countH ++ ;
  }
  System . out . println ( Examine ( countM , countA , countR , countC , countH ) ) ;
  sc . close ( ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; int N = sc . nextInt ( ) ; String [ ] names = new String [ N ] ; long countM = 0 ; long countA = 0 ; long countR = 0 ; long countC = 0 ; long countH = 0 ; String [ ] I = new String [ N ] ; for ( int i = 0 ; i < N ; i ++ ) { names [ i ] = sc . next ( ) ; I [ i ] = names [ i ] . substring ( 0 , 1 ) ; } for ( int k = 0 ; k < N ; k ++ ) { if ( I [ k ] . equals ( " M " ) ) countM ++ ; else if ( I [ k ] . equals ( " A " ) ) countA ++ ; else if ( I [ k ] . equals ( " R " ) ) countR ++ ; else if ( I [ k ] . equals ( " C " ) ) countC ++ ; else if ( I [ k ] . equals ( " H " ) ) countH ++ ; } System . out . println ( Examine ( countM , countA , countR , countC , countH ) ) ; sc . close ( ) ; }
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