View Compilation Error

0_0_31206533_16956.cpp: In function 'int main()':
0_0_31206533_16956.cpp:14:22: error: expected ')' before ']' token
        s[j]=((a*s(j-1]+b*s[j-2])%7);
                      ^
0_0_31206533_16956.cpp:14:22: error: expected ')' before ']' token
0_0_31206533_16956.cpp:14:36: error: expected ')' before ';' token
        s[j]=((a*s(j-1]+b*s[j-2])%7);
                                    ^