/in/foo.c: In function 'main':
/in/foo.c:6:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
  scanf("%d%d",&a,&b);
         ~^    ~~
         %lld
/in/foo.c:6:12: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long long int *' [-Wformat=]
  scanf("%d%d",&a,&b);
           ~^     ~~
           %lld
/in/foo.c:7:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d",a+b);
          ~^  ~~~
          %lld