View Compilation Error

0_0_33236552_27649.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_33236552_27649.cpp: In function 'int main()':
0_0_33236552_27649.cpp:20:15: error: expected primary-expression before '%' token
  while(~scanf(%d%d,&n,&a) && (n+a))
               ^
0_0_33236552_27649.cpp:20:16: error: 'd' was not declared in this scope
  while(~scanf(%d%d,&n,&a) && (n+a))
                ^
0_0_33236552_27649.cpp:20:25: error: 'scanf' was not declared in this scope
  while(~scanf(%d%d,&n,&a) && (n+a))
                         ^
0_0_33236552_27649.cpp:26:10: error: expected primary-expression before '%' token
    scanf(%d,&m)  ;
          ^
0_0_33236552_27649.cpp:29:10: error: expected primary-expression before '%' token
   printf(%I64d
          ^
0_0_33236552_27649.cpp:29:11: error: 'I64d' was not declared in this scope
   printf(%I64d
           ^
0_0_33236552_27649.cpp:30:7: error: 'printf' was not declared in this scope
 ,ans-a) ;
       ^