View Compilation Error

591665_0_0_19814.cpp: In function `int main()':
591665_0_0_19814.cpp:50: error: `cout' undeclared (first use this function)
591665_0_0_19814.cpp:50: error: (Each undeclared identifier is reported only once for each function it appears in.)
591665_0_0_19814.cpp:50: error: `endl' undeclared (first use this function)