View Compilation Error

0_0_22775094_19266.cpp: In function 'void work()':
0_0_22775094_19266.cpp:7:19: error: expected primary-expression before '__int128'
     __int128 ans=(__int128 a)+(__int128 b)+(__int128 c)+(__int128 d);
                   ^
0_0_22775094_19266.cpp:7:19: error: expected ')' before '__int128'