PROC main () INT a, b: VAL INT c IS 42: VAL BYTE bb IS 27: VAL INT d IS a + b: VAL INT dd IS c + d: INT e IS a: [4]BYTE a RETYPES a: VAL BYTE b IS a[0]: SEQ i = (a + 20) FOR (b + 30) VAL INT ii IS (i + 40): SKIP :