View Compilation Error

0_0_16206321_30705.cpp:5:9: error: stray '\243' in program
         while(scanf("%d %d",&A,&B)!=EOF）
         ^
0_0_16206321_30705.cpp:5:9: error: stray '\251' in program
0_0_16206321_30705.cpp: In function 'int main()':
0_0_16206321_30705.cpp:5:30: error: 'A' was not declared in this scope
         while(scanf("%d %d",&A,&B)!=EOF）
                              ^
0_0_16206321_30705.cpp:5:33: error: 'B' was not declared in this scope
         while(scanf("%d %d",&A,&B)!=EOF）
                                 ^
0_0_16206321_30705.cpp:6:9: error: expected ')' before '{' token
         {
         ^