/in/foo.cc:39:7: error: stray '\357' in program
 int sb；
       ^
/in/foo.cc:39:8: error: stray '\274' in program
 int sb；
        ^
/in/foo.cc:39:9: error: stray '\233' in program
 int sb；
         ^
/in/foo.cc:40:26: error: stray '\357' in program
     scanf("%s%s%s",a+1,sb，b+1);   
                          ^
/in/foo.cc:40:27: error: stray '\274' in program
     scanf("%s%s%s",a+1,sb，b+1);   
                           ^
/in/foo.cc:40:28: error: stray '\214' in program
     scanf("%s%s%s",a+1,sb，b+1);   
                            ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:40:5: error: expected initializer before 'scanf'
     scanf("%s%s%s",a+1,sb，b+1);   
     ^~~~~