View Compilation Error

0_0_20508127_12395.cpp:8:1: error: stray '\243' in program
 scanf("%d",&b)；
 ^
0_0_20508127_12395.cpp:8:1: error: stray '\273' in program
0_0_20508127_12395.cpp: In function 'int main()':
0_0_20508127_12395.cpp:9:3: error: expected ';' before 'int'
   int i,sum=0;
   ^
0_0_20508127_12395.cpp:10:7: error: 'i' was not declared in this scope
   for(i=1;i<=b;i++)
       ^
0_0_20508127_12395.cpp:12:4: error: 'sum' was not declared in this scope
    sum=sum+i;
    ^
0_0_20508127_12395.cpp:14:17: error: 'sum' was not declared in this scope
   printf("%d\n",sum);
                 ^