View Compilation Error

0_0_22709051_29289.cpp:5:1: error: stray '\243' in program
 while(~scanf("%d %d",&a,&b)）{
 ^
0_0_22709051_29289.cpp:5:1: error: stray '\251' in program
0_0_22709051_29289.cpp: In function 'int main()':
0_0_22709051_29289.cpp:5:23: error: 'a' was not declared in this scope
 while(~scanf("%d %d",&a,&b)）{
                       ^
0_0_22709051_29289.cpp:5:26: error: 'b' was not declared in this scope
 while(~scanf("%d %d",&a,&b)）{
                          ^
0_0_22709051_29289.cpp:5:30: error: expected ')' before '{' token
 while(~scanf("%d %d",&a,&b)）{
                              ^