import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {
	public static void main(String[] args) throws Exception {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		int n = Integer.parseInt(br.readLine());
		String[] sa = br.readLine().split(" ");
		int[] p = new int[n];
		for (int i = 0; i < n; i++) {
			p[i] = Integer.parseInt(sa[i]);
		}
		br.close();

		StringBuilder sb = new StringBuilder();
		while (true) {
			boolean flg = true;
			for (int i = 0; i < n; i++) {
				if (p[i] != i) {
					flg = false;
				}
			}
			if (flg) {
				break;
			}

			if (p[0] > p[1] && !(p[0] == n - 1 && p[1] == 0)) {
				sb.append('S');
				int t = p[0];
				p[0] = p[1];
				p[1] = t;
			}

			flg = true;
			for (int i = 0; i < n; i++) {
				if (p[i] != i) {
					flg = false;
				}
			}
			if (flg) {
				break;
			}

			sb.append('R');
			rotateL(p, 0, n - 1);
		}
		System.out.println(sb.toString());
	}

	static void rotateL(int[] val, int beg, int end) {
		int tmp = val[beg];
		for (int i = beg; i < end; i++) {
			val[i] = val[i + 1];
		}
		val[end] = tmp;
	}
}