public static void main ( String [ ] args ) {
  Scanner sc = new Scanner ( System . in ) ;
  BigInteger b = BigInteger . valueOf ( sc . nextLong ( ) ) ;
  if ( b . mod ( BigInteger . valueOf ( 10 ) ) . compareTo ( ( BigInteger . valueOf ( 5 ) ) ) < 0 ) b = b . subtract ( b . mod ( BigInteger . valueOf ( 10 ) ) ) ;
  if ( b . mod ( BigInteger . valueOf ( 10 ) ) . compareTo ( ( BigInteger . valueOf ( 5 ) ) ) >= 0 ) b = b . add ( BigInteger . valueOf ( 10 ) . subtract ( b . mod ( BigInteger . valueOf ( 10 ) ) ) ) ;
  System . out . println ( b ) ;
}

public static void main ( String [ ] args ) { Scanner sc = new Scanner ( System . in ) ; BigInteger b = BigInteger . valueOf ( sc . nextLong ( ) ) ; if ( b . mod ( BigInteger . valueOf ( 10 ) ) . compareTo ( ( BigInteger . valueOf ( 5 ) ) ) < 0 ) b = b . subtract ( b . mod ( BigInteger . valueOf ( 10 ) ) ) ; if ( b . mod ( BigInteger . valueOf ( 10 ) ) . compareTo ( ( BigInteger . valueOf ( 5 ) ) ) >= 0 ) b = b . add ( BigInteger . valueOf ( 10 ) . subtract ( b . mod ( BigInteger . valueOf ( 10 ) ) ) ) ; System . out . println ( b ) ; }
(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 (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) name: (identifier) arguments: (argument_list (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))))) (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) name: (identifier) arguments: (argument_list (parenthesized_expression (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))) right: (decimal_integer_literal))) consequence: (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal)))))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))))