n=int(input())
s=''
x=n//720
if x>0:
 s+='C'*x
n=n%720
x=n//360
if x>0:
 s+='M'*x
n=n%360
x=n//180
if x>0:
 s+='S'*x
n=n%180
x=n//30
if x>0:
 s+='R'*x
n=n%30
x=n//6
if x>0:
 s+='o'*x
n=n%6
s+='.'*n
print(s)