Format

1 STATEMENT (1) 
2 identifier-1 (2) 
2 literal-1
3+ 
3.0? 
3.0 %item 1 (3) 
4+ 
4 TO identifier-3
4.1? ROUNDED
4.2 (4) 

5? ON
5.1 SIZE ERROR imperative-statement-1
5.2 (5) 

6? END-STATEMENT (6) 

item 1:

1 identifier-2
1 literal-2
1 arithmetic-expression-1