program smerig;

function plus(a, b: integer): integer;
begin
  plus := a+b
end;

function fac(a: integer): integer;
begin
  if (a = 0) then
    fac := 1
  else
    fac := a*fac(a- 1)
end;

begin
  writeinteger(fac(plus(3,2)))
end.