View Compilation Error

0_0_30436202_16229.cpp: In function 'long long int solve(long long int, long long int, long long int)':
0_0_30436202_16229.cpp:39:30: error: expected ')' at end of input
   now=(now%mod*7%mod+18*(i/2%2
                              ^
0_0_30436202_16229.cpp:39:30: error: expected ')' at end of input
0_0_30436202_16229.cpp:39:30: error: expected ';' at end of input
0_0_30436202_16229.cpp:39:30: error: expected '}' at end of input
0_0_30436202_16229.cpp:39:30: error: expected '}' at end of input