import java.util.Scanner;

class Interest
{
   public static void main(String[] args)
   {  
       // declare some variables for needed storage
       double principal;	// for user entry
       double rate;		// interest rate, user entered
       int years;   		// number of years to compound

       double money;		// final result

       Scanner sc = new Scanner(System.in);	// build scanner 

       // prompt the user and let them enter the needed data
       
       System.out.print("Please enter the principal amount: ");
       principal = sc.nextDouble();
       System.out.print("Please enter the annual interest rate: ");
       rate = sc.nextDouble();
       System.out.print("please enter number of years to compound: ");
       years = sc.nextInt();

       // do the computation of the final money amount

       money = principal * Math.pow(1 + rate/100.0 , years);

/*     // You could do the computation in steps, if you like
       //  as an alternate to the above -- all in one line

       double temp = 1 + rate/100.0;
       double temp2 = Math.pow( temp , years );
       money = principal * temp2;
*/

       // print out the result message

       System.out.println("The principal amount was " + principal );
       System.out.printf("The interest rate was %.2f %%\n", rate);
       System.out.println("The number of years to compound was " + years);

       System.out.println("====================");
       System.out.printf(" Now you have this much money: $ %.2f\n", 
                                              money);

   }

}