Problem	foodchain
User	WJR
Submission Time	2025-12-05 12:59:16
Score	0
Max Time	N/A
Max Memory	N/A

Compile Error

foodchain.cpp: In function ‘int main()’:
foodchain.cpp:7:43: error: invalid type argument of unary ‘*’ (have ‘int’)
7 | long long ans = ((((e*d)*c)*b)*a) % (10**9)+9;
| ^