#include <bits/stdc++.h>
#define MULTI int _; cin >> _; while (_--)
#define fi first
#define se second
#define pb(a) push_back(a)
#define rep(i, n) for (int i = 0; i < n; i++)
#define reps(i, n, m) for (int i = n; i <= m; i++)
#define repsv(i, n, m) for (int i = n; i >= m; i--)
#define vsz(a) (int)(a.size())
#define mp(a, b) make_pair(a, b)
#define all(a) a.begin(), a.end()

using namespace std;

typedef pair<double, double> pdd;
typedef pair<int, int> pii;
typedef vector<bool> vb;
typedef vector<int> vi;
typedef long long int ll;
typedef long double ld;
typedef vector<ll> vll;

#ifdef LOCAL
#include "debugs.hpp"
#else
#define dbg(...) 0
#endif

void solve(){
    int s, c;
    cin >> s >> c;
    c -= 4;
    int b = c/4;
    int tl = 0, bl = 0;
    if(s < 2){
        tl = b/2;
        bl = b/2;
    }
    else{
        tl = (b+1)/2;
        bl = b/2;
    }
    int tls = 0, bls = 0;
    if(tl > bl){
        bls += 2;
        s -= 2;
    }
    tls += s/2;
    bls += s/2;
    cout << "LL";
    rep(i, tl)
        cout << "RLLR";
    rep(i, tls)
        cout << "S";
    cout << "LL";
    rep(i, bl)
        cout << "RLLR";
    rep(i, bls)
        cout << "S";
    cout << '\n';
}

int main(){
    ios_base::sync_with_stdio(false);
    // MULTI
    solve();
}