program dz2;
uses crt;
var x: integer;
begin
write ('введите номер месяца');
read (x);
if (x>=3) and (x<=5) then
write ('весна');
if (x>=6) and (x<8) then
write ('лето');
if (x>=9) and (x<=11) then
write ('осень');
if (x=12) or (x<=2) then
write ('зима');
end.