public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  String result = "" ;
  int n = s . nextInt ( ) ;
  int a [ ] = new int [ 1000 ] ;
  int b [ ] = new int [ n + 1 ] ;
  if ( n == 1 ) {
    result = result + 'O' ;
    System . out . println ( result ) ;
  }
  else {
    a [ 0 ] = 0 ;
    a [ 1 ] = 1 ;
    for ( int i = 2 ;
    i < 1000 ;
    i ++ ) {
      a [ i ] = a [ i - 1 ] + a [ i - 2 ] ;
    }
    for ( int j = 1 ;
    j <= n ;
    j ++ ) {
      boolean c = check ( a , j ) ;
      if ( c == false ) {
        result = result + 'o' ;
      }
      else result = result + 'O' ;
    }
    System . out . println ( result ) ;
  }
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; String result = " " ; int n = s . nextInt ( ) ; int a [ ] = new int [ 1000 ] ; int b [ ] = new int [ n + 1 ] ; if ( n == 1 ) { result = result + ' O ' ; System . out . println ( result ) ; } else { a [ 0 ] = 0 ; a [ 1 ] = 1 ; for ( int i = 2 ; i < 1000 ; i ++ ) { a [ i ] = a [ i - 1 ] + a [ i - 2 ] ; } for ( int j = 1 ; j <= n ; j ++ ) { boolean c = check ( a , j ) ; if ( c == false ) { result = result + ' o ' ; } else result = result + ' O ' ; } System . out . println ( result ) ; } }
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