View Compilation Error

0_0_28584141_7709.cpp: In function 'int main()':
0_0_28584141_7709.cpp:34:33: error: expected ')' before ';' token
             sum=(v[sum]*v[sum+1];
                                 ^
0_0_28584141_7709.cpp:35:36: error: expected ')' before ';' token
             sum1=(v[sum1]*v[sum1+1];
                                    ^