View Compilation Error

0_0_37257072_22919.cpp: In function 'int main()':
0_0_37257072_22919.cpp:8:54: error: 'scanf_s' was not declared in this scope
  while (scanf_s("%d %d %d %d",&x[0],&x[1],&y[0],&y[1]) != EOF) {
                                                      ^