View Compilation Error

0_0_18184932_20114.cpp: In function 'int main(int, const char**)':
0_0_18184932_20114.cpp:39:42: error: expected primary-expression at end of input
             ll b = (-mod_pow(a, k1 + b1) + 
                                          ^
0_0_18184932_20114.cpp:39:42: error: expected ')' at end of input
0_0_18184932_20114.cpp:39:42: error: expected ',' or ';' at end of input
0_0_18184932_20114.cpp:39:42: error: expected '}' at end of input
0_0_18184932_20114.cpp:39:42: error: expected '}' at end of input
0_0_18184932_20114.cpp:39:42: error: expected '}' at end of input