View Compilation Error

0_0_38771855_16161.cpp: In function 'int main()':
0_0_38771855_16161.cpp:13:15: error: 'scnaf' was not declared in this scope; did you mean 'scanf'?
   13 |         while(scnaf("%d%d", &n,&m) && (n != -1 || m != -1))
      |               ^~~~~
      |               scanf