public static void main ( String [ ] args ) {
  try {
    args = buffer . readLine ( ) . split ( " " ) ;
    String s1 = args [ 0 ] ;
    String s2 = args [ 1 ] ;
    String s = s1 . charAt ( 0 ) + "" ;
    int n = s1 . length ( ) ;
    for ( int i = 1 ;
    i < n ;
    i ++ ) {
      if ( s1 . charAt ( i ) < s2 . charAt ( 0 ) ) {
        s += s1 . charAt ( i ) ;
      }
      else {
        break ;
      }
    }
    s += s2 . charAt ( 0 ) ;
    logger . write ( s ) ;
    logger . flush ( ) ;
  }
  catch ( IOException exc ) {
  }
}

public static void main ( String [ ] args ) { try { args = buffer . readLine ( ) . split ( " ▁ " ) ; String s1 = args [ 0 ] ; String s2 = args [ 1 ] ; String s = s1 . charAt ( 0 ) + " " ; int n = s1 . length ( ) ; for ( int i = 1 ; i < n ; i ++ ) { if ( s1 . charAt ( i ) < s2 . charAt ( 0 ) ) { s += s1 . charAt ( i ) ; } else { break ; } } s += s2 . charAt ( 0 ) ; logger . write ( s ) ; logger . flush ( ) ; } catch ( IOException exc ) { } }
(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 (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)) name: (identifier) arguments: (argument_list (string_literal))))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (decimal_integer_literal)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (array_access array: (identifier) index: (decimal_integer_literal)))) (local_variable_declaration type: (type_identifier) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))) right: (string_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (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: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier))) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))))) alternative: (block (break_statement))))) (expression_statement (assignment_expression left: (identifier) right: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (decimal_integer_literal))))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (identifier)))) (expression_statement (method_invocation object: (identifier) name: (identifier) arguments: (argument_list)))) (catch_clause (catch_formal_parameter (catch_type (type_identifier)) name: (identifier)) body: (block)))))