View Compilation Error

In file included from 0_0_37333383_3521.cpp:1:0:
0_0_37333383_3521.cpp: In function 'int main()':
0_0_37333383_3521.cpp:5:47: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
  while (scanf= ("%d/%d/%d", &year, &t, &day)!=EOF)
                                               ^
0_0_37333383_3521.cpp:5:14: error: assignment of function 'int scanf(const char*, ...)'
  while (scanf= ("%d/%d/%d", &year, &t, &day)!=EOF)
              ^
0_0_37333383_3521.cpp:5:14: error: cannot convert 'bool' to 'int(const char*, ...)' in assignment