AS2 to AS3 convertion

Hi , I'm new to AS3 and facing some problems on the AS3 scripting. Could anyone out there please help? Your help is much appreaciated. 😃

//create balloons

var numB:Number = 10;

var balloonsCount:Number = 0;

function createBalloons():Void

{

          duplicateMovieClip(balloons,"ball",balloonsCount);

          balloonsCount++;

}

for (var i:Number = 0; i < numB; i++)

{

          createBalloons();

}

//create confetti

var numConf:Number = 100;

var confCount:Number = 0;

function createConfetti():Void

{

          duplicateMovieClip(conf,"confetti",confCount);

          confCount++;

}

for (var i:Number = 0; i < numConf; i++)

{

          createConfetti();

}