View Compilation Error

0_0_16527291_4018.cpp:5:5: error: stray '\243' in program
     while（scanf("%d%d",&a,&b)==2）
     ^
0_0_16527291_4018.cpp:5:5: error: stray '\250' in program
0_0_16527291_4018.cpp:5:5: error: stray '\243' in program
0_0_16527291_4018.cpp:5:5: error: stray '\251' in program
0_0_16527291_4018.cpp: In function 'int main()':
0_0_16527291_4018.cpp:5:12: error: expected '(' before 'scanf'
     while（scanf("%d%d",&a,&b)==2）
            ^
0_0_16527291_4018.cpp:6:9: error: expected ')' before 'printf'
         printf("%d\n",a+b);
         ^