#include <iostream>
#include <cstdint>
#include <vector>

static inline std::string solve(const uint_fast16_t N, std::vector<uint_fast16_t>& P) noexcept
{
	std::string ans;
	ans.reserve(20'000);

	for (uint_fast16_t length = N; length != 1; --length)
	{
		uint_fast16_t cursor;
		for (cursor = 1; cursor != length; ans.push_back('R'), ++cursor)
			if (P[cursor - 1] > P[cursor])
				std::swap(P[cursor - 1], P[cursor]), ans.push_back('S');
		for (; cursor <= N; ++cursor)
			ans.push_back('R');
	}

	return ans;
}

int main()
{
	std::cin.tie(nullptr);
	std::ios::sync_with_stdio(false);

	uint_fast16_t N, i;
	std::cin >> N;
	std::vector<uint_fast16_t> P(N);
	for (i = 0; i != N; ++i)
		std::cin >> P[i];

	std::cout << solve(N, P) << '\n';
	return 0;
}