View Compilation Error

0_0_33317981_32331.cpp: In function 'int main()':
0_0_33317981_32331.cpp:40:16: error: expected primary-expression before '%' token
    std::cin>>a>%3
                ^
0_0_33317981_32331.cpp:40:17: error: expected '}' at end of input
    std::cin>>a>%3
                 ^
0_0_33317981_32331.cpp:40:17: error: expected '}' at end of input
0_0_33317981_32331.cpp:40:17: error: expected '}' at end of input