View Compilation Error

0_0_8514743_4455.cpp:1:20:  iostream: No such file or directory
0_0_8514743_4455.cpp: In function `int main()':
0_0_8514743_4455.cpp:6: error: `cin' undeclared (first use this function)
0_0_8514743_4455.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_8514743_4455.cpp:11: error: `cout' undeclared (first use this function)
0_0_8514743_4455.cpp:11: error: `endl' undeclared (first use this function)