import java.util.*; public class Main{ public static void main(String[] args){ Scanner sc = new Scanner(System.in); int N = sc.nextInt(); String s = sc.next(); String str = "NESW";//向右转就加一个下标,向左转就减一个下标 int r = 0;//初始下标为0 for(int i = 0; i < N; ++i){ if(s.charAt(i) == 'R') r++; else r--; } r %= 4; if(r < 0) r += 4;//避免余数为负 System.out.println(str.charAt(r));//当前下标就是答案 } }