View Compilation Error

102293_0_4639.cpp: In function `int main()':
102293_0_4639.cpp:5: error: `cin' undeclared (first use this function)
102293_0_4639.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
102293_0_4639.cpp:6: error: `cout' undeclared (first use this function)
102293_0_4639.cpp:6: error: `endl' undeclared (first use this function)