N=int(input())
A=list(map(int,input().split()))
count=0
result=[]
P=[i for i in range(N)]
while True:
  if A[0]>A[1] and A[0]!=N-1:
    A[0],A[1]=A[1],A[0]
    result.append('S')
    count+=1
  result.append('R')
  count+=1
  A=A[1:]+A[0:1]
  if P==A:
    print(*result,sep='')
    exit()
  if count>20000:
    p=[1]
    print(p[1])