public static void main ( String [ ] args ) {
  Scanner scan = new Scanner ( System . in ) ;
  int k = scan . nextInt ( ) ;
  scan . nextLine ( ) ;
  Map < Integer , Integer > count = new HashMap < > ( ) ;
  String result = "YES" ;
  for ( int i = 0 ;
  i < 4 ;
  i ++ ) {
    String s = scan . nextLine ( ) ;
    for ( int j = 0 ;
    j < 4 ;
    j ++ ) {
      char ch = s . charAt ( j ) ;
      if ( ch == '.' ) continue ;
      int num = Integer . parseInt ( String . valueOf ( ch ) ) ;
      if ( ! count . containsKey ( num ) ) {
        count . put ( num , 0 ) ;
      }
      int c = count . get ( num ) ;
      if ( c == 2 * k ) {
        result = "NO" ;
        break ;
      }
      else {
        count . put ( num , c + 1 ) ;
      }
    }
  }
  System . out . println ( result ) ;
}

public static void main ( String [ ] args ) { Scanner scan = new Scanner ( System . in ) ; int k = scan . nextInt ( ) ; scan . nextLine ( ) ; Map < Integer , Integer > count = new HashMap < > ( ) ; String result = " YES " ; for ( int i = 0 ; i < 4 ; i ++ ) { String s = scan . nextLine ( ) ; for ( int j = 0 ; j < 4 ; j ++ ) { char ch = s . charAt ( j ) ; if ( ch == ' . ' ) continue ; int num = Integer . parseInt ( String . valueOf ( ch ) ) ; if ( ! count . containsKey ( num ) ) { count . put ( num , 0 ) ; } int c = count . get ( num ) ; if ( c == 2 * k ) { result = " NO " ; break ; } else { count . put ( num , c + 1 ) ; } } } System . out . println ( result ) ; }
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