var n,s,i,nr,s2:longint;
f,g:text;
begin
assign(f,'cifra.in');reset(f);
assign(g,'cifra.out');rewrite(g);
read(f,n);
s:=0;
for i:=1 to n do begin
nr:=0;
s2:=1;
while nr<>i do begin
s2:=s2*i;
nr:=nr+1;
end;
s:=s+s2;
writeln(g,s mod 10);
end;
close(f);
close(g);
end.