How to read this line blank? in C

[Arthur Lucas]

This entry is my code

imput:
1

10 6


But I do not know how to read this line blank?

The first line of input, is a integer number(int), and in the second line I don't know how I can read it.
I tried read the second line with %c, but it wasn't right.

[chinalinux]

scanf("%i\n%i %i\n", &data);