View Compilation Error

32789_0_23498.cpp: In function `int main()':
32789_0_23498.cpp:4: error: `cin' undeclared (first use this function)
32789_0_23498.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
32789_0_23498.cpp:6: error: `cout' undeclared (first use this function)