View Compilation Error

0_0_6091445_4333.cpp: In function `int main()':
0_0_6091445_4333.cpp:80: error: `H' undeclared (first use this function)
0_0_6091445_4333.cpp:80: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6091445_4333.cpp:80: error: `W' undeclared (first use this function)