View Compilation Error

260102_0_17841.cpp: In function `int main()':
260102_0_17841.cpp:6: error: `cin' undeclared (first use this function)
260102_0_17841.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
260102_0_17841.cpp:14: error: `cout' undeclared (first use this function)
260102_0_17841.cpp:14: error: `endl' undeclared (first use this function)