View Compilation Error

0_0_20109884_15400.cpp: In function 'int main()':
0_0_20109884_15400.cpp:24:27: error: expected ')' before '!' token
  while(scanf("%d%d",&n,&m)!EOF)
                           ^
0_0_20109884_15400.cpp:24:31: error: expected ';' before ')' token
  while(scanf("%d%d",&n,&m)!EOF)
                               ^