View Compilation Error

0_0_9714018_21060.cpp: In function `int main()':
0_0_9714018_21060.cpp:18: error: no match for 'operator>=' in '(&std::cout)->std::basic_ostream<_CharT, _Traits>::operator<< [with _CharT = char, _Traits = std::char_traits<char>](sum) >= max'
0_0_9714018_21060.cpp:18: error: invalid operands of types `const char[3]' and `<unknown type>' to binary `operator<<'