import sys
input = sys.stdin.readline

N=int(input())
ANS=""

while N>0:
    if N>=720:
        ANS+="C"
        N-=720
    elif N>=360:
        ANS+="M"
        N-=360
    elif N>=180:
        ANS+="S"
        N-=180
    elif N>=30:
        ANS+="R"
        N-=30
    elif N>=6:
        ANS+="o"
        N-=6
    elif N>=1:
        ANS+="."
        N-=1
print(ANS)