import java.util.Scanner;

public class Main {
	public static void main(String[] args) throws Exception {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		sc.close();

		StringBuilder sb = new StringBuilder();
		while (n >= 720) {
			n -= 720;
			sb.append("C");
		}
		while (n >= 360) {
			n -= 360;
			sb.append("M");
		}
		while (n >= 180) {
			n -= 180;
			sb.append("S");
		}
		while (n >= 30) {
			n -= 30;
			sb.append("R");
		}
		while (n >= 6) {
			n -= 6;
			sb.append("o");
		}
		while (n > 0) {
			n -= 1;
			sb.append(".");
		}
		System.out.println(sb.toString());
	}
}