View Compilation Error

0_0_16527100_10656.cpp:5:1: error: stray '\243' in program
 while（scanf("%d%d",&a,&b)==2）;
 ^
0_0_16527100_10656.cpp:5:1: error: stray '\250' in program
0_0_16527100_10656.cpp:5:1: error: stray '\243' in program
0_0_16527100_10656.cpp:5:1: error: stray '\251' in program
0_0_16527100_10656.cpp: In function 'int main()':
0_0_16527100_10656.cpp:5:8: error: expected '(' before 'scanf'
 while（scanf("%d%d",&a,&b)==2）;
        ^
0_0_16527100_10656.cpp:5:32: error: expected ')' before ';' token
 while（scanf("%d%d",&a,&b)==2）;
                                ^