View Compilation Error

In file included from 0_0_13597831_8641.cpp:1:0:
0_0_13597831_8641.cpp: In function 'int main()':
0_0_13597831_8641.cpp:5:30: error: ISO C++ forbids comparison between pointer and integer [-fpermissive]
 while(scanf("%d %d\n",&a,&b!=EOF))
                              ^