View Compilation Error

0_0_17530899_20624.cpp: In function 'int main()':
0_0_17530899_20624.cpp:4:32: error: expected ')' before ';' token
 while(scanf("%d %d",&a,&b)!=EOF;
                                ^
0_0_17530899_20624.cpp:5:15: error: request for member 'a' in '"%d\012"', which is of non-class type 'const char [4]'
 printf("%d\n".a+b);
               ^