#include<iostream>
#include<vector>
using namespace std;
using ll=long long;
#define rep(i,n) for(int i=0;i<n;i++)
#define rrep(i,n) for(int i=(n)-1;i>=0;i--)
#define all(v) v.begin(),v.end()
#define rall(v) v.rbegin(),v.rend()
template<class T> bool chmax(T &a, T b){if (a < b){a = b;return true;} else return false;}
template<class T> bool chmin(T &a, T b){if (a > b){a = b;return true;} else return false;}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int t;
    cin>>t;
    string s="";
    bool flag=true;
    rep(q,t){
        if(flag){
            if(q%12>=8){
                if(q%4==0)s+='D';
                else if(q%4==1)s+='D';
                else if(q%4==2)s+='R';
                else s+='R';
            }else{
                if(q%4==0)s+='D';
                else if(q%4==1)s+='U';
                else if(q%4==2)s+='R';
                else s+='D';
            }
        }else{
            if(q%12>=8){
                if(q%4==0)s+='U';
                else if(q%4==1)s+='U';
                else if(q%4==2)s+='L';
                else s+='L';
            }else{
                if(q%4==0)s+='U';
                else if(q%4==1)s+='D';
                else if(q%4==2)s+='L';
                else s+='U';
            }
        }
        if(q%12==11)flag=!flag;
    }
    cout<<s<<"\n";
}