public static void main ( String [ ] args ) {
  Scanner s = new Scanner ( System . in ) ;
  String ch = s . next ( ) ;
  int i = 0 ;
  int j = 0 ;
  char c ;
  for ( int r = 0 ;
  r < ch . length ( ) ;
  r ++ ) {
    c = ch . charAt ( r ) ;
    if ( Character . isUpperCase ( c ) ) {
      i ++ ;
    }
    else {
      j ++ ;
    }
  }
  if ( j >= i ) {
    ch = ch . toLowerCase ( ) ;
  }
  else {
    ch = ch . toUpperCase ( ) ;
  }
  System . out . println ( ch ) ;
}

public static void main ( String [ ] args ) { Scanner s = new Scanner ( System . in ) ; String ch = s . next ( ) ; int i = 0 ; int j = 0 ; char c ; for ( int r = 0 ; r < ch . length ( ) ; r ++ ) { c = ch . charAt ( r ) ; if ( Character . isUpperCase ( c ) ) { i ++ ; } else { j ++ ; } } if ( j >= i ) { ch = ch . toLowerCase ( ) ; } else { ch = ch . toUpperCase ( ) ; } System . out . println ( ch ) ; }
(method_declaration (modifiers) type: (void_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (type_identifier) dimensions: (dimensions)) name: (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: (type_identifier) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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: (decimal_integer_literal))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))))) (if_statement condition: (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) consequence: (block (expression_statement (update_expression (identifier)))) alternative: (block (expression_statement (update_expression (identifier))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))