#include <bits/stdc++.h>
#include <atcoder/all>
#include <boost/multiprecision/cpp_dec_float.hpp>
#include <boost/multiprecision/cpp_int.hpp>
namespace mp = boost::multiprecision;
using Bint = mp::cpp_int;
using namespace std;
using namespace atcoder;
#define rep(i, n) for(int i=0;i<(n);++i)
#define rep1(i, n) for(int i=1;i<=(n);i++)
#define ll long long
using mint = modint998244353;
using P = pair<ll,ll>;
using lb = long double;
using T = tuple<ll, ll, ll>;
#ifdef LOCAL
#  include <debug_print.hpp>
#  define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__)
#else
#  define dbg(...) (static_cast<void>(0))
#endif

int main()
{
    int n;
    cin >> n;
    vector<int> p(n);
    rep(i,n) cin >> p[i];
    string s;
    rep(i,n) {
        while(p[1]!=i) {
            vector<int> ps;
            for(int k=1;k<n;k++) ps.push_back(p[k]);
            ps.push_back(p[0]);
            s+='R';
            p = ps;
        }
        if(p[1]-p[0]==1) continue;
        swap(p[0], p[1]);
        s+='S';
        dbg(p);
    }
    while(p[1]!=1) {
        vector<int> ps;
        for(int k=1;k<n;k++) ps.push_back(p[k]);
        ps.push_back(p[0]);
        s+='R';
        p = ps;
    }
    assert(s.size()<=20000);
    rep(i,n) assert(p[i]==i);
    cout << s << endl;
    return 0;
}