View Compilation Error

24588_0_2154.cpp
24588_0_2154.cpp(5) : error C2065: 'cin' : undeclared identifier
24588_0_2154.cpp(5) : warning C4552: '>>' : operator has no effect; expected operator with side-effect
24588_0_2154.cpp(7) : error C2065: 'cout' : undeclared identifier
24588_0_2154.cpp(7) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24588_0_2154.cpp(8) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24588_0_2154.cpp(10) : error C2065: 'endl' : undeclared identifier
24588_0_2154.cpp(10) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24588_0_2154.cpp(11) : warning C4552: '<<' : operator has no effect; expected operator with side-effect
24588_0_2154.cpp(12) : error C2065: 'OK' : undeclared identifier
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