View Compilation Error

0_0_36658713_8978.cpp: In function 'int main()':
0_0_36658713_8978.cpp:15:69: error: 'scanf_s' was not declared in this scope
     while (scanf_s("%lf %lf %lf %lf %lf %lf", &a, &b, &c, &l, &n, &m) != EOF){
                                                                     ^