View Compilation Error

197189_0_491.cpp: In function `int main()':
197189_0_491.cpp:3: error: `cin' undeclared (first use this function)
197189_0_491.cpp:3: error: (Each undeclared identifier is reported only once for each function it appears in.)
197189_0_491.cpp:9: error: `cout' undeclared (first use this function)