input.txt

A -> A1
A -> P P2 A1
A1 -> T I C A1
A1 -> e
T -> struct T2 { P1 A1 } V
T -> float P
T -> double P P1 M4
T -> char P P1 S1
T -> S P M2
T -> int P P1 T1
T -> short P P1 M5
T -> long P P1 M3
T2 -> P1 I1 P1
T1 -> S P P1 M1
T1 -> M1 S1
M -> short
M -> long
M2 -> int P P1 M1
M2 -> M P P1 int P P1
M2 -> char P P1
M2 -> e
M3 -> int P P1 S1
M3 -> S int P P1
M3 -> double P P1
M3 -> e
M5 -> int P P1 S1
M5 -> S int P P1
M5 -> e
M1 -> M P P1
M1 -> e
M4 -> long P P1
M4 -> e
S -> signed
S -> unsigned
S1 -> S P P1
S1 -> e
I -> [_a-zA-Z] I1
I -> e
C -> P C
C -> , P1 I
C -> ; P1
C -> [ R1
R -> [ N ] R
R1 -> N ] C
N -> [0-9] N
N -> e
I1 -> [_a-zA-Z] I1
I1 -> [0-9] I1
I1 -> e
P -> [probel]
P1 -> P P1
P1 -> e
P2 -> P P2
P2 -> e
V -> ; P1
V -> P V
V -> e