var k,a: integer;
begin
write('количество k=');read(k);
for var n:=k downto 1 do
a:=2*n;write(a, ' ');
end;
end.
var k,a: integer;
begin
write('количество k=');read(k);
for var n:=k downto 1 do
begin
a:=2*n;write(a, ' ');
end;
end.