View Compilation Error

0_0_22709059_20431.cpp:6:1: error: stray '\243' in program
 while(~scanf("%d %d",&a,&b)）{
 ^
0_0_22709059_20431.cpp:6:1: error: stray '\251' in program
0_0_22709059_20431.cpp: In function 'int main()':
0_0_22709059_20431.cpp:6:30: error: expected ')' before '{' token
 while(~scanf("%d %d",&a,&b)）{
                              ^