program fibonee;

var
  hlp: integer;

function fibo(i: integer): integer;

begin
  writeinteger(i);
  if (i <= 1) then
    fibo := 1
  else
    fibo := fibo(i-1) + fibo(i-2)
end;

begin
  hlp := fibo(4);
  writeinteger(hlp) 
end.