View Compilation Error

0_0_39385169_3242.cpp: In function 'int main()':
0_0_39385169_3242.cpp:15:31: error: expected unqualified-id before '&' token
   15 |         while (scanf("%d %d". &n, &m) != EOF)
      |                               ^
0_0_39385169_3242.cpp:28:41: error: 'ans_y' was not declared in this scope; did you mean 'anx_y'?
   28 |                                         ans_y = j;
      |                                         ^~~~~
      |                                         anx_y
0_0_39385169_3242.cpp:32:41: error: 'ans_y' was not declared in this scope; did you mean 'anx_y'?
   32 |                 cout << ans_x << ' ' << ans_y << ' ' << ans << endl;
      |                                         ^~~~~
      |                                         anx_y