public static void main ( String [ ] args ) throws FileNotFoundException {
  Scanner input = new Scanner ( System . in ) ;
  int n = input . nextInt ( ) ;
  char [ ] [ ] ans = new char [ n ] [ n ] ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    Arrays . fill ( ans [ i ] , '*' ) ;
  }
  int start = n / 2 , nowlen = 1 , nowstart = n / 2 ;
  int Dstart = 1 , Dnowlen = n - 2 , Dnowstart = 1 ;
  int len = 1 ;
  int Dlen = Dnowlen ;
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    if ( i <= ( n / 2 ) ) {
      while ( nowlen -- > 0 ) {
        ans [ i ] [ nowstart ] = 'D' ;
        nowstart ++ ;
      }
      len += 2 ;
      nowlen = len ;
      nowstart = -- start ;
    }
    else {
      while ( Dnowlen -- > 0 ) {
        ans [ i ] [ Dnowstart ] = 'D' ;
        Dnowstart ++ ;
      }
      Dlen -= 2 ;
      Dnowlen = Dlen ;
      Dnowstart = ++ Dstart ;
    }
  }
  for ( int i = 0 ;
  i < n ;
  i ++ ) {
    for ( int j = 0 ;
    j < n ;
    j ++ ) {
      System . out . print ( ans [ i ] [ j ] ) ;
    }
    System . out . println ( "" ) ;
  }
}

public static void main ( String [ ] args ) throws FileNotFoundException { Scanner input = new Scanner ( System . in ) ; int n = input . nextInt ( ) ; char [ ] [ ] ans = new char [ n ] [ n ] ; for ( int i = 0 ; i < n ; i ++ ) { Arrays . fill ( ans [ i ] , ' * ' ) ; } int start = n / 2 , nowlen = 1 , nowstart = n / 2 ; int Dstart = 1 , Dnowlen = n - 2 , Dnowstart = 1 ; int len = 1 ; int Dlen = Dnowlen ; for ( int i = 0 ; i < n ; i ++ ) { if ( i <= ( n / 2 ) ) { while ( nowlen -- > 0 ) { ans [ i ] [ nowstart ] = ' D ' ; nowstart ++ ; } len += 2 ; nowlen = len ; nowstart = -- start ; } else { while ( Dnowlen -- > 0 ) { ans [ i ] [ Dnowstart ] = ' D ' ; Dnowstart ++ ; } Dlen -= 2 ; Dnowlen = Dlen ; Dnowstart = ++ Dstart ; } } for ( int i = 0 ; i < n ; i ++ ) { for ( int j = 0 ; j < n ; j ++ ) { System . out . print ( ans [ i ] [ j ] ) ; } System . out . println ( " " ) ; } }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (identifier))) (throws (type_identifier)) body: (block (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (object_creation_expression type: (type_identifier) arguments: (argument_list (field_access object: (identifier) field: (identifier)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier)) dimensions: (dimensions_expr (identifier))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (array_access array: (identifier) index: (identifier)) (character_literal)))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal))) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (decimal_integer_literal))) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (identifier))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (parenthesized_expression (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (block (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (update_expression (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (update_expression (identifier))))) alternative: (block (while_statement condition: (parenthesized_expression (binary_expression left: (update_expression (identifier)) right: (decimal_integer_literal))) body: (block (expression_statement (assignment_expression left: (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier)) right: (character_literal))) (expression_statement (update_expression (identifier))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (expression_statement (assignment_expression left: (identifier) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (update_expression (identifier)))))))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (array_access array: (array_access array: (identifier) index: (identifier)) index: (identifier))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal))))))))