View Compilation Error

0_0_15777501_22379.cpp: In function 'int main()':
0_0_15777501_22379.cpp:14:20: error: expected ',' before '-' token
 a[i]=(A*a[i-1]+B*[i-2])%7;
                    ^
0_0_15777501_22379.cpp:14:20: error: expected identifier before '-' token
0_0_15777501_22379.cpp: In lambda function:
0_0_15777501_22379.cpp:14:23: error: expected '{' before ')' token
 a[i]=(A*a[i-1]+B*[i-2])%7;
                       ^
0_0_15777501_22379.cpp: In function 'int main()':
0_0_15777501_22379.cpp:14:17: error: no match for 'operator*' (operand types are 'int' and 'main()::<lambda()>')
 a[i]=(A*a[i-1]+B*[i-2])%7;
                 ^