var f,g:text;
    a:array[1..20] of integer;
    t,i,p,j,k,s:longint;
begin
assign(f,'cifra.in');reset(f);
assign(g,'cifra.out');rewrite(g);  readln(f,t);
for i:=1 to t do
    readln(f,a[i]);
for i:=1 to t do
    begin s:=0;
    for j:=1 to a[i] do
        begin
        p:=1;
        for k:=1 to j do
        p:=p*j;
        s:=s+p;
        end;
        write(g,s mod 10,' ');
    end;
close(f); close(g);
end.