0_0_7314648_17711.cpp: In function `int main()':
0_0_7314648_17711.cpp:18: error: no match for 'operator!=' in '(&std::cin)->std::basic_istream<_CharT, _Traits>::operator>> [with _CharT = char, _Traits = std::char_traits<char>](((long int&)(&l))) != -0x000000001'
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