1 DO 2? -| repetitor | 3? -| conditional | 4 ; 5? 5+ 5 instruction 6 END 7? name 8 ; 9 %repetitor: 10 name=expri 10.1? TO exprt 10.2? BY exprb 10.3? FOR exprf 10 FOREVER 10 exprr conditional: 1 WHILE exprw 1 UNTIL expru