import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n = ni()
p = na()
ans = []
for i in range(n):
    for _ in range(n-1):
        if p[0] > p[1]:
            ans.append("S")
            p[0], p[1] = p[1], p[0]
        p = p[1:] + [p[0]]
        ans.append("R")
    p = p[1:] + [p[0]]
    ans.append("R")    

# print(p)
print("".join(ans))