View Compilation Error

0_0_21518677_10883.cpp: In function 'int main()':
0_0_21518677_10883.cpp:25:29: error: expected ')' before '!' token
  while(scanf("%d%lld",&n,&m)!EOF)
                             ^
0_0_21518677_10883.cpp:25:33: error: expected ';' before ')' token
  while(scanf("%d%lld",&n,&m)!EOF)
                                 ^
0_0_21518677_10883.cpp:42:1: error: expected '}' at end of input
 }
 ^