/in/foo.cc: In function 'int main()':
/in/foo.cc:4:19: warning: unused variable 'f' [-Wunused-variable]
     int a,b,c,d,e,f,A,B,C,D,E,F;
                   ^
/in/foo.cc:4:31: warning: unused variable 'F' [-Wunused-variable]
     int a,b,c,d,e,f,A,B,C,D,E,F;
                               ^

FormatError('config file not found',)