View Compilation Error

0_0_32336409_9340.cpp: In function 'int main()':
0_0_32336409_9340.cpp:5:28: error: expected ')' before ';' token
 while(~scanf("%d %d",&a,&b);
                            ^
0_0_32336409_9340.cpp:6:17: error: expected '}' at end of input
 printf("%d",a+b);
                 ^