View Compilation Error

0_0_22446391_12800.cpp: In function 'int main()':
0_0_22446391_12800.cpp:41:83: error: 'scanf_s' was not declared in this scope
  while (scanf_s("%d %d %d", &numberOfPeople, &numberOfElements, &numberOfAllowencs) != EOF) {
                                                                                   ^