View Compilation Error

0_0_6751190_8640.cpp: In function `int main()':
0_0_6751190_8640.cpp:40: error: `left' undeclared (first use this function)
0_0_6751190_8640.cpp:40: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6751190_8640.cpp:42: error: request for member `clear' in `std::right', which is of non-class type `std::ios_base&()(std::ios_base&)'