public static void main ( String [ ] args ) {
  String s = scan . nextLine ( ) ;
  List < Character > list = new ArrayList < > ( ) ;
  list . add ( 'I' ) ;
  list . add ( 'C' ) ;
  list . add ( 'T' ) ;
  for ( int i = 0 ;
  i < s . length ( ) ;
  i ++ ) {
    if ( s . charAt ( i ) == list . get ( 0 ) || s . charAt ( i ) == list . get ( 0 ) - 'A' + 'a' ) {
      list . remove ( 0 ) ;
      if ( list . size ( ) == 0 ) {
        System . out . println ( "YES" ) ;
        return ;
      }
    }
  }
  System . out . println ( "NO" ) ;
}

public static void main ( String [ ] args ) { String s = scan . nextLine ( ) ; List < Character > list = new ArrayList < > ( ) ; list . add ( ' I ' ) ; list . add ( ' C ' ) ; list . add ( ' T ' ) ; for ( int i = 0 ; i < s . length ( ) ; i ++ ) { if ( s . charAt ( i ) == list . get ( 0 ) || s . charAt ( i ) == list . get ( 0 ) - ' A ' + ' a ' ) { list . remove ( 0 ) ; if ( list . size ( ) == 0 ) { System . out . println ( " YES " ) ; return ; } } } System . out . println ( " NO " ) ; }
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