题解 | #MP3光标位置#，长是长了点，思路清晰

import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNext()) { // 注意 while 处理多个 case
            int n = in.nextInt();
            String next = in.next();
            if (n <= 4){
                char[] chars = next.toCharArray();
                int x = 1;
                for (int i = 0; i < chars.length; i++) {
                    char c = chars[i];
                    if (c == 'U'){
                        if (x - 1 < 1){
                            x = n;
                            continue;
                        }
                        x--;
                        continue;
                    }
                    if (c == 'D'){
                        if (x + 1 > n){
                            x = 1;
                            continue;
                        }
                        x++;
                    }
                }
                for (int i = 1; i <= n; i++) {
                    System.out.print(i +" ");
                }
                System.out.println();
                System.out.println(x);
                continue;
            }

            int[] ints = new int[4];
            for (int i = 0; i < 4; i++) {
                ints[i] = i+1;
            }
            int index = 1;
            char[] chars = next.toCharArray();
            for (int i = 0; i < chars.length; i++) {
                char c = chars[i];
                if (c == 'U'){
                    // 特殊情况处理
                    if (index - 1 < 1){
                        index = n;
                        for (int j = 0,k = 3; j < 4; j++,k--) {
                            ints[j] = n-k;
                        }
                        continue;
                    }
                    index--;
                    // 向上时超出定格的上限，修改
                    if (index < ints[0]){
                        for (int j = 0,k = index; j < 4; j++,k++) {
                            ints[j] = k;
                        }
                    }
                }

                if (c == 'D'){
                    if (index + 1 > n){
                        index = 1;
                        for (int j = 0,k = 1; j < 4; j++,k++) {
                            ints[j] = k;
                        }
                        continue;
                    }
                    index++;
                    if (index > ints[3]){
                        for (int j = 0,z = 3; j < 4; j++,z--) {
                            ints[j] = index - z;
                        }
                    }
                }
            }
            for (int i = 0; i < 4; i++) {
                System.out.print(ints[i] + " ");
            }
            System.out.println();
            System.out.println(index);
        }
    }
}