The two inputs above are same. They will create checkpoint files. This can be used later for another run using the following in the input file ( note an extra blank line at the bottom is needed).
%chk=c4b4nhtwBS2.chk
%nprocshared=4
%mem=2500MB
#P RHF/6-311++g* geom=check guess=check opt pop=reg gfinput gfprint iop(6/7=3) SCF=direct
RHF/6-31g* Opt gfinput gfprint iop(6/7=3) scf=conventional\\Gaussia
n Template C4B4N2H2 from GridChem Molecule Built by NCSA-Nanocad
0,1