View Compilation Error

132953_0_21497.cpp:5:20: stdafx.h: No such file or directory
132953_0_21497.cpp: In function `int main()':
132953_0_21497.cpp:13: error: `scanf' undeclared (first use this function)
132953_0_21497.cpp:13: error: (Each undeclared identifier is reported only once for each function it appears in.)
132953_0_21497.cpp:13: error: `EOF' undeclared (first use this function)
132953_0_21497.cpp:21: error: `printf' undeclared (first use this function)