const
n = 10;
var
i: integer;
a: array [1 .. n] of integer;
begin
for i := 1 to n do
begin
a[i] := random(20);
write(' ', a[i]:2);
end;
writeln();
writeln('--------');
for i := 1 to n do
if odd(i) then
write(a[i], ' ');
for i := 2 to n do
if i mod 2 = 0 then
write(a[i], ' ');
end.