/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 int *' [-Wformat=]
  scanf("%d %d",&a,&b);
         ~^     ~~
         %ld
/in/foo.c:6:13: warning: format '%d' expects argument of type 'int *', but argument 3 has type 'long int *' [-Wformat=]
  scanf("%d %d",&a,&b);
            ~^     ~~
            %ld
/in/foo.c:8:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long int' [-Wformat=]
  printf("%d",x);
          ~^
          %ld