n = int(input())
c = n // 720
n %= 720
m = n // 360
n %= 360
s = n // 180
n %= 180
r = n // 30
n %= 30
o = n // 6
n %= 6
res = ""
for _ in range(c):
    res += "C"
for _ in range(m):
    res += "M"
for _ in range(s):
    res += "S"
for _ in range(r):
    res += "R"
for _ in range(o):
    res += "o"
for _ in range(n):
    res += "."
print(res)