var str:String = '';
var plusb:Boolean, minusb:Boolean, delitb:Boolean, ymnogb:Boolean;
var x1:Number = 0, y1:Number = 0;

one.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler1);

function fl_MouseClickHandler1(event:MouseEvent):void
{
    var str1:String = "1";
    str = str + str1;
    vivod.text = str.toString();

}
two.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler2);

function fl_MouseClickHandler2(event:MouseEvent):void
{
    var str1:String = "2";
    str = str + str1;
    vivod.text = str.toString();

}
three.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler3);

function fl_MouseClickHandler3(event:MouseEvent):void
{
    var str1:String = "3";
    str = str + str1;
    vivod.text = str.toString();

}
four.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler4);

function fl_MouseClickHandler4(event:MouseEvent):void
{
    var str1:String = "4";
    str = str + str1;
    vivod.text = str.toString();

}
five.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler5);

function fl_MouseClickHandler5(event:MouseEvent):void
{
    var str1:String = "5";
    str = str + str1;
    vivod.text = str.toString();

}
six.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler6);

function fl_MouseClickHandler6(event:MouseEvent):void
{
    var str1:String = "6";
    str = str + str1;
    vivod.text = str.toString();

}
seven.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler7);

function fl_MouseClickHandler7(event:MouseEvent):void
{
    var str1:String = "7";
    str = str + str1;
    vivod.text = str.toString();

}
eight.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler8);

function fl_MouseClickHandler8(event:MouseEvent):void
{
    var str1:String = "8";
    str = str + str1;
    vivod.text = str.toString();

}
nine.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler9);

function fl_MouseClickHandler9(event:MouseEvent):void
{
    var str1:String = "9";
    str = str + str1;
    vivod.text = str.toString();

}
zero.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler10);

function fl_MouseClickHandler10(event:MouseEvent):void
{
    var str1:String = "0";
    str = str + str1;
    vivod.text = str.toString();

}
point.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler11);

function fl_MouseClickHandler11(event:MouseEvent):void
{
    var str1:String = ".";
    str = str + str1;
    vivod.text = str.toString();

}
plus.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler12);

function fl_MouseClickHandler12(event:MouseEvent):void
{
    x1 = Number(vivod);
    plusb = true;
    str = '';
    vivod.text = str.toString();

}
minus.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler13);

function fl_MouseClickHandler13(event:MouseEvent):void
{
    x1 = Number(vivod);
    minusb = true;
    str = '';
    vivod.text = str.toString();

}
delit.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler14);

function fl_MouseClickHandler14(event:MouseEvent):void
{
    x1 = Number(vivod);
    delitb = true;
    str = '';
    vivod.text = str.toString();

}
ymnog.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler15);

function fl_MouseClickHandler15(event:MouseEvent):void
{
    x1 = Number(vivod);
    ymnogb = true;
    str = '';
    vivod.text = str.toString();

}

ravno.addEventListener(MouseEvent.CLICK, fl_MouseClickHandler_3);

function fl_MouseClickHandler_3(event:MouseEvent):void
{
    y1 = Number(vivod);
    if (plusb = true)
    {str = (x1+y1).toString();
     vivod.text = str.toString();
     plusb = false;
    }
    if (minusb = true)
    {str = (x1-y1).toString();
     vivod.text = str.toString();
     minusb = false;
    }
    if (delitb = true)
    {str = (x1/y1).toString();
     vivod.text = str.toString();
     delitb = false;
    }
    if (ymnogb = true)
    {str = (x1*y1).toString();
     vivod.text = str.toString();
     ymnogb = false;
    }
}