/in/foo.c: In function 'main':
/in/foo.c:4:10: warning: unknown conversion type character 'b' in format [-Wformat=]
scanf("%b%b",&a,&b);
^
/in/foo.c:4:12: warning: unknown conversion type character 'b' in format [-Wformat=]
scanf("%b%b",&a,&b);
^
/in/foo.c:4:8: warning: too many arguments for format [-Wformat-extra-args]
scanf("%b%b",&a,&b);
^~~~~~
/in/foo.c:6:10: warning: unknown conversion type character 'b' in format [-Wformat=]
printf("%b\n",sum);
^
/in/foo.c:6:8: warning: too many arguments for format [-Wformat-extra-args]
printf("%b\n",sum);
^~~~~~