View Compilation Error

0_0_4960815_31585.cpp: In function `int main()':
0_0_4960815_31585.cpp:6: error: `scanf_s' undeclared (first use this function)
0_0_4960815_31585.cpp:6: error: (Each undeclared identifier is reported only once for each function it appears in.)
0_0_4960815_31585.cpp:10: error: expected `;' before ')' token
0_0_4960815_31585.cpp:20: error: `printf_s' undeclared (first use this function)