/in/foo.c: In function 'main':
/in/foo.c:22:12: warning: format '%lld' expects argument of type 'long long int', but argument 2 has type 'long int' [-Wformat=]
 printf("%lld %lld %lld",na,nb,nc);
         ~~~^
         %ld
/in/foo.c:22:17: warning: format '%lld' expects argument of type 'long long int', but argument 3 has type 'long int' [-Wformat=]
 printf("%lld %lld %lld",na,nb,nc);
              ~~~^
              %ld
/in/foo.c:22:22: warning: format '%lld' expects argument of type 'long long int', but argument 4 has type 'long int' [-Wformat=]
 printf("%lld %lld %lld",na,nb,nc);
                   ~~~^
                   %ld