import sys

def solve():
    try:
        line = sys.stdin.readline()
        if not line:
            return
        N = int(line)
        P = list(map(int, sys.stdin.readline().split()))

        operations = []

        for _ in range(N):
            for _ in range(N - 1):
                if P[0] > P[1]:
                    P[0], P[1] = P[1], P[0]
                    operations.append("S")
 
                P.append(P.pop(0))
                operations.append("R")

            P.append(P.pop(0))
            operations.append("R")

        print("".join(operations))

    except (IOError, ValueError):
        pass

if __name__ == "__main__":
    solve()