/in/foo.c: In function 'main':
/in/foo.c:7:4: error: stray '\357' in program
  if（year%4==0）
    ^
/in/foo.c:7:5: error: stray '\274' in program
  if（year%4==0）
     ^
/in/foo.c:7:6: error: stray '\210' in program
  if（year%4==0）
      ^
/in/foo.c:7:7: error: expected '(' before 'year'
  if（year%4==0）
       ^~~~
/in/foo.c:7:7: warning: statement with no effect [-Wunused-value]
/in/foo.c:7:16: error: stray '\357' in program
  if（year%4==0）
                ^
/in/foo.c:7:17: error: stray '\274' in program
  if（year%4==0）
                 ^
/in/foo.c:7:18: error: stray '\211' in program
  if（year%4==0）
                  ^
/in/foo.c:5:24: warning: unused variable 'leap' [-Wunused-variable]
     int year,month,day,leap;
                        ^~~~
/in/foo.c:5:20: warning: unused variable 'day' [-Wunused-variable]
     int year,month,day,leap;
                    ^~~