program cifra;
var a:array[1..100]of integer;
   n,i,j,c,s:longint;
   f1,f2:text;
begin
assign(f1,'cifra.in'); reset(f1);
assign(f2,'cifra.out'); rewrite(f2);
readln(f1,n);
for i:=1 to n do
  readln(f1,a[i]);
s:=1;
writeln(f2,s);
for i:=2 to n do
  begin
  c:=1;
  for j:=1 to i do
   begin
   c:=c*i;
   c:=c mod 10;
   end;
   s:=s+c;
   s:=s mod 10;
   writeln(f2,s);
  end;
close(f1);
close(f2);
end.