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    1  MODULE ASieve;
    2  VAR isP : ARRAY [2 .. 30] OF BOOLEAN; i, j, n, s : INTEGER; ExitCode : INTEGER;
    3  BEGIN
    4    FOR i := 2 TO 30 DO isP[i] := TRUE END;
    5    FOR i := 2 TO 5 DO
    6      IF isP[i] THEN
    7        j := i * i;
    8        WHILE j <= 30 DO
    9          isP[j] := FALSE;
   10          j := j + i
   11        END
   12      END
   13    END;
   14    s := 0; n := 0;
   15    FOR i := 2 TO 30 DO
   16      IF isP[i] THEN s := s + i; n := n + 1 END
   17    END;
   18    ExitCode := s
   19  END ASieve.

    0 errors