View Compilation Error

0_0_24241820_17305.cpp:5:5: error: stray '\243' in program
     int a,b,c,i；
     ^
0_0_24241820_17305.cpp:5:5: error: stray '\273' in program
0_0_24241820_17305.cpp: In function 'int main()':
0_0_24241820_17305.cpp:6:2: error: expected initializer before 'long'
  long long sum;
  ^
0_0_24241820_17305.cpp:10:3: error: 'sum' was not declared in this scope
   sum=1;
   ^
0_0_24241820_17305.cpp:12:7: error: 'i' was not declared in this scope
   for(i=2;i<=sqrt(b);i++)
       ^