View Compilation Error

188149_0_8140.cpp: In function `int main()':
188149_0_8140.cpp:5: error: `cin' undeclared (first use this function)
188149_0_8140.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
188149_0_8140.cpp:8: error: `cout' undeclared (first use this function)
188149_0_8140.cpp:8: error: `endl' undeclared (first use this function)