View Compilation Error

0_0_11639954_32502.cpp: In function `int main()':
0_0_11639954_32502.cpp:7: error: `Scanf' undeclared (first use this function)
0_0_11639954_32502.cpp:7: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_11639954_32502.cpp:31: error: expected `}' at end of input