View Compilation Error

0_0_26558043_32570.cpp:1:10: error: #include expects "FILENAME" or <FILENAME>
 #include 
          ^
0_0_26558043_32570.cpp:4:4: error: stray '\243' in program
    int a,b，sum; 
    ^
0_0_26558043_32570.cpp:4:4: error: stray '\254' in program
0_0_26558043_32570.cpp: In function 'int main()':
0_0_26558043_32570.cpp:4:13: error: expected initializer before 'sum'
    int a,b，sum; 
             ^
0_0_26558043_32570.cpp:5:18: error: 'b' was not declared in this scope
 scanf("%d%d",&a,&b); 
                  ^
0_0_26558043_32570.cpp:5:19: error: 'scanf' was not declared in this scope
 scanf("%d%d",&a,&b); 
                   ^
0_0_26558043_32570.cpp:6:1: error: 'sum' was not declared in this scope
 sum=a+b; 
 ^
0_0_26558043_32570.cpp:7:16: error: 'printf' was not declared in this scope
 printf("%d",sum); 
                ^