# import pypyjit
# pypyjit.set_param('max_unroll_recursion=-1')
from collections import defaultdict as dd
S = input
R = range
P = print
def I(): return int(S())
def M(): return map(int, S().split())
def L(): return list(M())
def O(): return list(map(int, open(0).read().split()))
def yn(b): print("Yes" if b else "No")
biga = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
smaa = "abcdefghijklmnopqrstuvwxyz"

n = I()
ans = ""
ans += 'C' * (n // 720)
n %= 720
ans += 'M' * (n // 360)
n %= 360
ans += 'S' * (n // 180)
n %= 180
ans += 'R' * (n // 30)
n %= 30
ans += 'o' * (n // 6)
n %= 6
ans += '.' * n
print(ans)