question: protected String a ( String s , int v , String u ) throws Exception { char sign = v >= 0 ? '+' : '-' ; Date dt = DateMathParser . parseMath ( null , s + 'Z' + sign + Math . abs ( v ) + u ) ; return fmt . format ( dt . toInstant ( ) ) ; }
target:  MACRO: Add: parses s, adds v u, fmts 