n=int(input())
p1=n//720
n%=720
p2=n//360
n%=360
p3=n//180
n%=180
p4=n//30
n%=30
p5=n//6
n%=6
print("C"*p1+"M"*p2+"S"*p3+"R"*p4+"o"*p5+"."*n)