View Compilation Error

0_0_24312946_12988.cpp: In function 'int main()':
0_0_24312946_12988.cpp:44:42: error: 'scanf_s' was not declared in this scope
   scanf_s("%d%d%d", &temp, &temp1, &temp2);
                                          ^
0_0_24312946_12988.cpp:47:29: error: 'scanf_s' was not declared in this scope
  while (scanf_s("%d", &start) != EOF&&start) {
                             ^