View Compilation Error

0_0_6460835_18565.cpp:1:21:  iostream: No such file or directory
0_0_6460835_18565.cpp: In function `int main()':
0_0_6460835_18565.cpp:13: error: `cin' undeclared (first use this function)
0_0_6460835_18565.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6460835_18565.cpp:29: error: `cout' undeclared (first use this function)
0_0_6460835_18565.cpp:29: error: `endl' undeclared (first use this function)