#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using mint = modint998244353;
using vi = vector<int>;
using vvi = vector<vi>;
using vvvi = vector<vvi>;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;
using vmi = vector<mint>;
using vvmi = vector<vmi>;
using vvvmi = vector<vvmi>;
#define all(a) (a).begin(), (a).end()
#define rep2(i, m, n) for (int i = (m); i < (n); ++i)
#define rep(i, n) rep2(i, 0, n)
#define drep2(i, m, n) for (int i = (m)-1; i >= (n); --i)
#define drep(i, n) drep2(i, n, 0)


int main(){
    int t; cin >> t;
    string u = "RDRL";
    string v = "RDRLRDDRULRLULLRUULLRDUD";
    string w = u+v;
    int len = w.length();
    if(t <= len){
        cout << w.substr(0, t) << endl;
    }else{
        cout << w;
        t -= len;
        while(t > v.length()){
            cout << v;
            t -= v.length();
        }cout << v.substr(0, t) << endl;
    }

    return 0;
}