import java.util.*;

    public class Politics
   {
       public static void main(String[] args)
      {
         int age = 0;
         String party = " ", candidate = " ";
         boolean vote = false;
         Scanner keyboard = new Scanner(System.in);
         System.out.println("Are you old enough to vote?\n Please enter your age: ");
         age = keyboard.nextInt();
      	party = keyboard.nextLine(); // see page 95
         if(18 <= age)
         {
            vote = true;
            System.out.println("You are old enough to vote.");
         }
         else if (18 > age)
         {
            vote = false;
            System.out.println("Sorry, you are not old enough to vote");
         }
         else
      	{
      		System.out.print("Error");
      		System.exit(0); //exit program because of error
      	}
         if (vote)
         {
         	System.out.println("Are you voting Democrat (D) or Republican (R)?");
         	party = keyboard.nextLine();
         	if (party.equals("D"))
         	{
         		System.out.println("Are you voting for Obama (O) or Clinton (C)?");
         		candidate = keyboard.nextLine();
         		if (candidate.equals("O"))
         			System.out.println("You are planning to vote for Obama.");
         		else if (candidate.equals("C"))
         			System.out.println("You are planning to vote for Clinton.");
         		else
         		{
      				System.out.print("Error");
      				System.exit(0); //exit program because of error
      			}
      		}
      		else if (party.equals("R"))
         	{
         		System.out.println("Are you voting for McCain (M) or Romney (R)?");
         		candidate = keyboard.nextLine();
         		if (candidate.equals("M"))
         			System.out.println("You are planning to vote for McCain.");
         		else if (candidate.equals("R"))
         			System.out.println("You are planning to vote for Romney.");
         		else
         		{
      				System.out.print("Error");
      				System.exit(0); //exit program because of error
      			}
      		}
      		else
         	{
      			System.out.print("Error");
      			System.exit(0); //exit program because of error
      		}			
         	
         }	
      }
   }