/in/foo.c: In function 'main':
/in/foo.c:5:10: error: expected '=', ',', ';', 'asm' or '__attribute__' before 'scanf'
    5 |          scanf("%d%d,&a,&b);
      |          ^~~~~
/in/foo.c:5:16: warning: missing terminating " character
    5 |          scanf("%d%d,&a,&b);
      |                ^
/in/foo.c:5:16: error: missing terminating " character
    5 |          scanf("%d%d,&a,&b);
      |                ^~~~~~~~~~~~~
/in/foo.c:7:17: warning: missing terminating " character
    7 |          printf("%d,c);
      |                 ^
/in/foo.c:7:17: error: missing terminating " character
    7 |          printf("%d,c);
      |                 ^~~~~~~
/in/foo.c:8:10: error: expected expression before 'return'
    8 |          return 0
      |          ^~~~~~
/in/foo.c:8:18: error: expected ';' before '}' token
    8 |          return 0
      |                  ^
      |                  ;
    9 | }
      | ~                 
/in/foo.c:4:16: warning: unused variable 'b' [-Wunused-variable]
    4 |          int a,b,c
      |                ^
/in/foo.c:4:14: warning: unused variable 'a' [-Wunused-variable]
    4 |          int a,b,c
      |              ^