View Compilation Error

0_0_6657172_11323.cpp: In function `int main()':
0_0_6657172_11323.cpp:11: error: `cin' undeclared (first use this function)
0_0_6657172_11323.cpp:11: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6657172_11323.cpp:15: error: `printf' undeclared (first use this function)