View Compilation Error

0_0_30402342_31981.cpp: In function 'int main()':
0_0_30402342_31981.cpp:70:17: error: expected primary-expression at end of input
             ans =
                 ^
0_0_30402342_31981.cpp:70:17: error: expected '}' at end of input
0_0_30402342_31981.cpp:70:17: error: expected '}' at end of input
0_0_30402342_31981.cpp:70:17: error: expected '}' at end of input