program PascalGuru;
type
cisla = 1 .. 1000000;
function summa(chislo: integer): integer;
var
s: integer;
begin
s := 0;
while (chislo > 0) do
begin
s := s + (chislo mod 10);
chislo := chislo div 10
end;
summa := s
end;
{ ----------------------------------------------------- }
var
i, n: cisla;
rezult: integer;
begin
write('n= ');
readln(n);
rezult := 0;
for i := 1 to 1000000 do
if summa(i) = n then
begin
rezult := i;
break;
end;
writeln(rezult);
readln;
end.