public static void main ( String [ ] args ) {
  try {
    Scanner sc = new Scanner ( System . in ) ;
    String s ;
    s = sc . next ( ) ;
    int ans = 1000 ;
    for ( int i = 2 ;
    i < s . length ( ) ;
    i ++ ) {
      if ( Math . abs ( Integer . parseInt ( s . substring ( i - 2 , i + 1 ) ) - 753 ) < ans ) {
        ans = Math . abs ( Integer . parseInt ( s . substring ( i - 2 , i + 1 ) ) - 753 ) ;
      }
    }
    System . out . println ( ans ) ;
  }
  catch ( Exception e ) {
    System . out . println ( "out" ) ;
  }
}

public static void main ( String [ ] args ) { try { Scanner sc = new Scanner ( System . in ) ; String s ; s = sc . next ( ) ; int ans = 1000 ; for ( int i = 2 ; i < s . length ( ) ; i ++ ) { if ( Math . abs ( Integer . parseInt ( s . substring ( i - 2 , i + 1 ) ) - 753 ) < ans ) { ans = Math . abs ( Integer . parseInt ( s . substring ( i - 2 , i + 1 ) ) - 753 ) ; } } System . out . println ( ans ) ; } catch ( Exception e ) { System . out . println ( " out " ) ; } }
(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 (try_statement 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))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (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 (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (binary_expression left: (identifier) right: (decimal_integer_literal)))))) right: (decimal_integer_literal)))) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (identifier) right: (decimal_integer_literal)) (binary_expression left: (identifier) right: (decimal_integer_literal)))))) right: (decimal_integer_literal)))))))))) (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (identifier))))) (catch_clause (catch_formal_parameter (catch_type (type_identifier)) name: (identifier)) body: (block (expression_statement (method_invocation object: (field_access object: (identifier) field: (identifier)) name: (identifier) arguments: (argument_list (string_literal)))))))))