View Compilation Error

0_0_36577529_17632.cpp: In function 'int main()':
0_0_36577529_17632.cpp:92:17: error: 'hi' was not declared in this scope
         cout << hi << " " << lo << endl;
                 ^
0_0_36577529_17632.cpp:92:30: error: 'lo' was not declared in this scope
         cout << hi << " " << lo << endl;
                              ^