class PerfectNumber{

	public static void main(String args[]){

	int Number=0;
	int Sum_Of_Divisors=0;

	try{// if the user does not enter a number as an argument, catch the error and let the user know what the error is.
		//it is better because the error generated by the compiler could be hard to understand by the users who do not know about the code 
		 Number=Integer.parseInt(args[0]);
	
	}catch(Exception e){

		System.out.println("Please give a number as an argument");
		System.exit(0);

		}
	
	System.out.println("Number Entered is "+Number);
	
	Sum_Of_Divisors=Get_Sum_Divisors(Number);// call the function which gives the sum of positive divisors of the number entered

	// Depending upon the sum returned print the appropriate message
	if(Sum_Of_Divisors==Number)
		System.out.println("Number "+Number+" is a Perfect Number");
	
	else if(Sum_Of_Divisors < Number)
		System.out.println("Number "+Number+" is a Deficient Number");
	
	else 
		System.out.println("Number "+Number+" is an Abundant Number");

	}

	//This method returns the sum of divisors of the number passed 
	public static int Get_Sum_Divisors(int number){

		int temp_sum=0;

		for(int i=1;i<number;i++){//check for divisors between 1 and the number entered 

			if(number%i==0)// a number is a divisor if on dividing gives a remainder 0
				temp_sum+=i; // so add the number to the accumulated sum.

		}

		return temp_sum;	

	}

}