View Compilation Error

0_0_16393744_13073.cpp:2:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_16393744_13073.cpp:3:9: error: #include expects "FILENAME" or <FILENAME>
 #include
         ^
0_0_16393744_13073.cpp: In function 'int main()':
0_0_16393744_13073.cpp:19:11: error: 'cin' was not declared in this scope
     while(cin>>n>>m){
           ^
0_0_16393744_13073.cpp:22:9: error: 'cout' was not declared in this scope
         cout<<res<<endl;
         ^
0_0_16393744_13073.cpp:22:20: error: 'endl' was not declared in this scope
         cout<<res<<endl;
                    ^