N = input()
n_int = int(N)


def main():
	kan(n_int)

def kan(n):
	c = 720
	m = 360
	s = 180
	r = 30
	o = 6
	count = ''
	while n > 0:
		if n // c >= 1:
			for _ in range(n // c):
				n = n % c
				count += 'C'
		if n // m >= 1:
			for _ in range(n // m):
				n = n % m
				count += 'M'
		if n // s >= 1:
			for _ in range(n // s):
				n = n % s
				count += 'S'
		if n // r >= 1:
			for _ in range(n // r):
				n = n % r
				count += 'R'
		if n // o >= 1:
			for _ in range(n // o):
				n = n % o
				count += 'o'
		else:
			for _ in range(n):
				n -= 1
				count += '.'
	print(count)


if __name__ == '__main__':
	main()