View Compilation Error

0_0_22774987_1742.cpp: In function 'int main()':
0_0_22774987_1742.cpp:10:23: error: expected primary-expression before '__int128'
         __int128 ans=(__int128 a)+(__int128 b)+(__int128 c)+(__int128 d);
                       ^
0_0_22774987_1742.cpp:10:23: error: expected ')' before '__int128'