N = int(input())

ans = []
while N >= 720:
    for i in range(N//720):
        ans.append("C")
    N %= 720
while N >= 360:
    for i in range(N//360):
        ans.append("M")
    N %= 360
while N >= 180:
    for i in range(N//180):
        ans.append("S")
    N %= 180
while N >= 30:
    for i in range(N//30):
        ans.append("R")
    N %= 30
while N >= 6:
    for i in range(N//6):
        ans.append("o")
    N %= 6
for i in range(N):
    ans.append(".")

print("".join(ans))