n = int(input())

s = ""

while(n >= 720):
	s += "C"
	n -= 720
	
while(n >= 360):
	s += "M"
	n -= 360
	
while(n >= 180):
	s += "S"
	n -= 180
	
while(n >= 30):
	s += "R"
	n -= 30
	
while(n >= 6):
	s += "o"
	n -= 6
	
while(n >= 1):
	s += "."
	n -= 1
	
print(s)