1 a = ((1 7) 6 ((8 3) 4)) 2 a = (1 b) b = (4 a) 1 a = (a a a) 3 a = (1 b c) b = (a 2 c) c = (a b 3) 5 a = (e (15 d (57 a) (45 (75 c))) b 189) b = (d (a -29 30) ((b c)) ((51 a) (a 67) (e 79) (e a))) c = (((d))) d = (-1 (-98) ((a) c) (d e e (-81) ((a))) 58 (b)) e = (a b c d a b c d a b c d a b c d a b c d a b c d) 2 a = (1 (2 (3 (4 (5 (6 (7 (8 (9 (10 (11 (12 (13 (14 (15 b))))))))))))))) b = (b b) 5 a = ((((((((((((((a)))))))))))))) b = (13 17 18 b d) c = (a b c d) d = (b 8 (d 7)) e = ((e) ((7)) (((((e)))))) 7 a = ((4 5) 2 ((1 3) 7)) b = (9) c = ((((((((((((((((((((((((((((((((((((99)))))))))))))))))))))))))))))))))))) d = ((1)(1)(1)) e = (1 (2 (3 (4 (5 (6 (7 (8 (9 (10 20)))))))))) f = (-1 1) g = (-1 -2 -3 -4 -5 -6 1998 -1111) 2 a = ( 17 ( 18 b )) b = ( -19 a ( 8 a ) ( 4 9)) 26 a = ((-17 a) (z (z 3))) b = (b 8 c g i h j) c = ((a c m) (p r o g r a m m i n g) (c o n t e s t)) d = (1 6 (1 6 (1 6 (1 6 d d)))) e = ((((f)) g) h) f = (17 18 19 (20 21)) g = (((((7 (n) 8))) 9 b d)) h = (((((((1 2 3 4 5 6 7 8) (8 7 6 5 4 3 2 1))))))) i = (((((h a c))))) j = ((1) (11) (1998)) k = ((((((((k l)))))))) l = (l k) m = (1 9 2 0 -1) n = (0 e) o = (o h n o (8)) p = (0 0 0 0 0 0 0 0 0 0 0 0 0 0 p p p p p p p p p p p p p p) q = ((((((((w)))))))) r = (m c m) s = (1 p 1 p 1 p 1 p s s s s s s s o m) t = (a d f e g t s r p) u = (u v w x y z) v = (a a a a v v v v) w = ( w y w y ) x = ((2) m o r e) y = (q) z = (1 -9 9 -8) 0