import java.util.Scanner;
import java.text.*;

public class InvestmentSimulator {
  public static void main(String[] args) {

    System.out.println("You are now going to enter the 1st account info.");
    InvestmentAccount a1=new InvestmentAccount();
    System.out.println("You are now going to enter the 2nd account info.");
    InvestmentAccount a2=new InvestmentAccount();
 
    DecimalFormat df=new DecimalFormat("#.##");
        
    int year;
    for (year=0; a1.principal<a2.principal; year++) {
      a1.addYear();
      a2.addYear();
      System.out.println("a1: "+df.format(a1.principal)+
                         "a2: "+df.format(a2.principal));
    }
   
    // Now that you are done with the loop, print out the final value
    // of the year, which will tell you how many years it took account
    // 1 to become greater than account 2.