public static void main ( String [ ] args ) throws IOException {
  br = new BufferedReader ( new InputStreamReader ( System . in ) ) ;
  st = new StringTokenizer ( br . readLine ( ) ) ;
  int n = nxtInt ( ) , a [ ] = new int [ n ] ;
  st = new StringTokenizer ( br . readLine ( ) ) ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) a [ i ] = nxtInt ( ) ;
  HashSet < Character > vowel = new HashSet < > ( lst ) ;
  boolean flg = true ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    char [ ] s = nxtLn ( ) . toCharArray ( ) ;
    int v = 0 ;
    for ( int j = 0 ;
    j < s . length ;
    j ++ ) if ( vowel . contains ( s [ j ] ) ) v ++ ;
    if ( v != a [ i ] ) {
      flg = false ;
      break ;
    }
  }
  pr . print ( flg ? "YES" : "NO" ) ;
  pr . flush ( ) ;
  pr . close ( ) ;
}

public static void main ( String [ ] args ) throws IOException { br = new BufferedReader ( new InputStreamReader ( System . in ) ) ; st = new StringTokenizer ( br . readLine ( ) ) ; int n = nxtInt ( ) , a [ ] = new int [ n ] ; st = new StringTokenizer ( br . readLine ( ) ) ; for ( int i = 0 ; i < n ; i ++ ) a [ i ] = nxtInt ( ) ; HashSet < Character > vowel = new HashSet < > ( lst ) ; boolean flg = true ; for ( int i = 0 ; i < n ; i ++ ) { char [ ] s = nxtLn ( ) . toCharArray ( ) ; int v = 0 ; for ( int j = 0 ; j < s . length ; j ++ ) if ( vowel . contains ( s [ j ] ) ) v ++ ; if ( v != a [ i ] ) { flg = false ; break ; } } pr . print ( flg ? " YES " : " NO " ) ; pr . flush ( ) ; pr . close ( ) ; }
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