month = input ("Enter month : ") ;

if month == 1 || month == 2 | month == 3
    disp ("Spring")
elseif month == 4 || month == 5 || month == 6
    disp ("Summer")
elseif month == 7 || month == 8 || month == 9
    disp ("Autumn")
elseif month == 10 || month == 11 || month == 12
    disp ("Winter")
else
    disp ("Error")
end