#include <bits/stdc++.h>
#define all(a) begin(a), end(a)
#define sz(a) (int) (a).size()
#define int long long
using namespace std;
int n,a,b;
void solve() {
    cin>>n>>a>>b;
    if (a+b<=n+1){
        for (int i=1;i<n;i++) cout<<"LU";
        for (int i=1;i<a;i++) cout<<"D";
        for (int i=1;i<b;i++) cout<<"R";
    }else{
        for (int i=1;i<n;i++) cout<<"DR";
        for (int i=n;i>a;i--) cout<<"U";
        for (int i=n;i>b;i--) cout<<"L";
    }
}

int32_t main() {
    cin.tie(0)->sync_with_stdio(false);

    int t = 1; // cin >> t;
    while (t--) {
        solve();
    }
}