View Compilation Error

0_0_33318147_31805.cpp: In function 'int main()':
0_0_33318147_31805.cpp:40:19: error: expected primary-expression before '%' token
    std::cin>>a>>b;%
                   ^
0_0_33318147_31805.cpp:40:19: error: expected primary-expression at end of input
0_0_33318147_31805.cpp:40:19: error: expected '}' at end of input
0_0_33318147_31805.cpp:40:19: error: expected '}' at end of input
0_0_33318147_31805.cpp:40:19: error: expected '}' at end of input