func  isAllDayAndMonth(_year:Int,month:Int) ->Int{

varday =0

switchmonth {

case1:

day += 31

case 2:

if(((year%4==0)&&(year%100!=0))||(year%400==0))

{

day+=29

}

else

{

day+=28

}

case3:

day +=31

case4:

day +=30

case5:

day +=31

case6:

day +=30

case7:

day +=31

case8:

day +=31

case9:

day +=30

case10:

day +=31

case11:

day +=30

case12:

day +=31

default:

break

}

returnday

}