/in/foo.c: In function 'main':
/in/foo.c:5:10: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
  scanf("%d",&a);
          ^
/in/foo.c:8:11: warning: format '%d' expects argument of type 'int *', but argument 2 has type 'long long int *' [-Wformat=]
   scanf("%d",&b);
           ^
/in/foo.c:11:11: warning: format '%d' expects argument of type 'int', but argument 2 has type 'long long int' [-Wformat=]
  printf("%d ",c);
           ^