View Compilation Error

0_0_28992133_20134.cpp: In function 'int main()':
0_0_28992133_20134.cpp:43:36: error: expected ';' at end of input
   rep(i, 1, n) scanf ("%d", a + i)%3
                                    ^
0_0_28992133_20134.cpp:43:36: error: expected '}' at end of input
0_0_28992133_20134.cpp:43:36: error: expected '}' at end of input