import sequtils, strutils, sugar

var
  n = parseInt readLine stdin

  list = [
    (720, 'C'),
    (360, 'M'),
    (180, 'S'),
    (30,  'R'),
    (6,   'o'),
    (1,   '.')
    ]

  ss = newSeq.collect:
    for (x, c) in list:
      let k = n div x
      n = n mod x
      c.repeat k

echo ss.join