/in/foo.c: In function 'main':
/in/foo.c:5:33: error: 'c\U0000ff09' undeclared (first use in this function)
    5 |         scanf("%d,%d,%d",&a,&b,&c）;
      |                                 ^~~
/in/foo.c:5:33: note: each undeclared identifier is reported only once for each function it appears in
/in/foo.c:5:36: error: expected ')' before ';' token
    5 |         scanf("%d,%d,%d",&a,&b,&c）;
      |              ~                     ^
      |                                    )
/in/foo.c:11:18: error: expected ';' before '}' token
   11 |         return 0;
      |                  ^
      |                  ;
   12 | }
      | ~                 
/in/foo.c:4:15: warning: unused variable 'L' [-Wunused-variable]
    4 |     int a,b,c,L;
      |               ^
/in/foo.c:4:13: warning: unused variable 'c' [-Wunused-variable]
    4 |     int a,b,c,L;
      |             ^