View Compilation Error

248243_0_6038.cpp: In function `int main()':
248243_0_6038.cpp:52: error: `scanf' undeclared (first use this function)
248243_0_6038.cpp:52: error: (Each undeclared identifier is reported only once for each function it appears in.)
248243_0_6038.cpp:52: error: `EOF' undeclared (first use this function)