UVA 10409 Java

import java.util.*;
import static java.lang.System.*;

public class main{
  public static void main(String[] args) {
    Scanner sc=new Scanner(System.in);
    while(sc.hasNextInt())
    {
    	int num = sc.nextInt();
    	if(num == 0)
    		break;
    	int top = 1, n = 2, w = 3, s = 5, e = 4;
    	for(int i = 0; i < num; i++)
    	{
    		String cmd = sc.next();
    		if(cmd.equals("north"))
    		{
    			n = top;
    			top = s;
    			s = 7 - n;
    		}
    		else if(cmd.equals("east"))
    		{
    			e = top;
    			top = w;
    			w = 7 - e;
    		}
    		else if(cmd.equals("south"))
    		{
    			s = top;
    			top = n;
    			n = 7 - s;
    		}
    		else if(cmd.equals("west"))
    		{
    			w = top;
    			top = e;
    			e = 7 - w;
    		}
    	}
    	System.out.println(top);
    }
  }
};