/in/foo.c: In function 'main':
/in/foo.c:6:7: error: stray '\357' in program
  scanf（"%d%d",&a,&b);
       ^
/in/foo.c:6:8: error: stray '\274' in program
  scanf（"%d%d",&a,&b);
        ^
/in/foo.c:6:9: error: stray '\210' in program
  scanf（"%d%d",&a,&b);
         ^
/in/foo.c:6:2: warning: statement with no effect [-Wunused-value]
  scanf（"%d%d",&a,&b);
  ^~~~~
/in/foo.c:6:10: error: expected ';' before string constant
  scanf（"%d%d",&a,&b);
          ^~~~~~
/in/foo.c:6:22: error: expected statement before ')' token
  scanf（"%d%d",&a,&b);
                      ^