View Compilation Error

0_0_35187111_27338.cpp: In function 'int main()':
0_0_35187111_27338.cpp:59:91: error: invalid operands of types 'int' and '<unresolved overloaded function type>' to binary 'operator<<'
             printf("%d\n", fastPow(a, ans.num[1][0]) * fastPow(b, ans.num[0][0]) % mod << endl);
                                                                                           ^