View Compilation Error

127852_0_19357.cpp
127852_0_19357.cpp(4) : error C2065: 'cin' : undeclared identifier
127852_0_19357.cpp(6) : error C2065: 'cout' : undeclared identifier
127852_0_19357.cpp(6) : error C2065: 'endl' : undeclared identifier
127852_0_19357.cpp(6) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
127852_0_19357.cpp(8) : warning C4554: '<<' : check operator precedence for possible error; use parentheses to clarify precedence
127852_0_19357.cpp(8) : warning C4552: '<<' : operator has no effect; expected operator with side-effect