View Compilation Error

0_0_36670354_18335.cpp: In function 'int main()':
0_0_36670354_18335.cpp:13:36: error: expected ')' before ';' token
  int a,b;while(~scanf("%d%d",&a,&b);){
                                    ^
0_0_36670354_18335.cpp:13:37: error: expected primary-expression before ')' token
  int a,b;while(~scanf("%d%d",&a,&b);){
                                     ^