View Compilation Error

313527_0_6932.cpp: In function `int main()':
313527_0_6932.cpp:5: error: `scanf' undeclared (first use this function)
313527_0_6932.cpp:5: error: (Each undeclared identifier is reported only once for each function it appears in.)
313527_0_6932.cpp:10: error: `printf' undeclared (first use this function)