View Compilation Error

0_0_6763617_27328.cpp: In function `int main()':
0_0_6763617_27328.cpp:8: error: `scanf_s' undeclared (first use this function)
0_0_6763617_27328.cpp:8: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_6763617_27328.cpp:19: error: `printf_s' undeclared (first use this function)