View Compilation Error

0_0_22331819_19307.cpp: In function 'int main()':
0_0_22331819_19307.cpp:27:7: error: expected primary-expression at end of input
   mark=
       ^
0_0_22331819_19307.cpp:27:7: error: expected '}' at end of input
0_0_22331819_19307.cpp:27:7: error: expected '}' at end of input