View Compilation Error

32054_0_7241.cpp: In function `int main()':
32054_0_7241.cpp:4: error: `scanf' undeclared (first use this function)
32054_0_7241.cpp:4: error: (Each undeclared identifier is reported only once for each function it appears in.)
32054_0_7241.cpp:5: error: `printf' undeclared (first use this function)