View Compilation Error

447310_0_0_9290.cpp: In function `int main()':
447310_0_0_9290.cpp:16: error: `cout' undeclared (first use this function)
447310_0_0_9290.cpp:16: error: (Each undeclared identifier is reported only once for each function it appears in.)
447310_0_0_9290.cpp:16: error: `endl' undeclared (first use this function)