src.c: In function 'main':
src.c:7:5: error: stray '\357' in program
printf("sum is %d\n",sum)；
^
src.c:7:5: error: stray '\274' in program
src.c:7:5: error: stray '\233' in program
src.c:8:5: error: expected ';' before 'return'
return 0；
^
src.c:8:5: error: stray '\357' in program
src.c:8:5: error: stray '\274' in program
src.c:8:5: error: stray '\233' in program