public Duration (int hours, int minutes, int seconds) {
	 /*We need to normalize values if the user enters something greater than 59 for any of the hh, mm or ss 
	  * values. My algorithm is this:
	  * 1. If ss or mm is greater than 59 divide it by 60
	  * 2. This will give you the extra minutes or hours
	  * 3. We will add this extra minutes or hours to the passed in minutes or hours parameter
	  * 4. We will then get remaining seconds or minutes by getting the modulus of 60
	  * 5. We will set the value of the modulus to be the minutes or seconds
	  * 6. If seconds or minutes are greater than 0 we will set this as the value for the duration object
	  */
	 if (seconds > 59){//If seconds is greater than 59 this will be set to true
		 minutes += seconds/60;//We will divide seconds by 60 and add it to the minutes passed in
		 extraSeconds = seconds%60;//Then we will figure out the remaining seconds after dividing using the modulus operator
		 this.seconds = extraSeconds;//We will set the remainder seconds to be the seconds for the duration object
	 } else if(seconds >= 0){//Else if seconds is not negative then we will set the passed in value as the seconds
		 this.seconds = seconds;//This sets the seconds passed in as the value of seconds for the duration object
	 }
	 
	 if (minutes > 59){//If minutes is greater than 59 this will be set to true
		 hours += minutes/60;//We will divide minutes by 60 and add it to the hours passed in
		 extraMinutes = minutes%60;//Then we will figure out the remaining minutes after dividing using the modulus operator
		 this.minutes = extraMinutes;//We will set the remainder minutes to be the minutes for the duration object
		 this.hours = hours;
	 }else {//Else if minutes is not negative then we will set the passed in value as the seconds
		 this.minutes = minutes;//This sets the minutes passed in as the value of minutes for the duration object
		 this.hours = hours;//This sets the hours passed in as the value of hours for the duration object
	 }
 }//end of constructor with 3 int arguments