/in/foo.cc: In function 'int main()':
/in/foo.cc:8:30: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'long int' [-Wformat=]
     printf("%lld %lld ", a, b);
                              ^
/in/foo.cc:8:30: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'long int' [-Wformat=]
/in/foo.cc:11:26: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'long int' [-Wformat=]
         printf("%lld ", c);
                          ^