#include <bits/stdc++.h>
 
using namespace std;

#ifndef DEBUG
    #define DEBUG 0
#endif

#define ii pair<int, int>
#define vi vector<int>
#define vii vector<pair<int, int>>
#define vll vector<long long>
#define vull vector<unsigned long long>
#define ll long long
#define ull unsigned long long
#define F(counter, start, end) for (ll counter = start; counter <= end; counter++)
#define FD(i, r, l) for(ll i = r - 1; i > (l); --i)
#define deprintf(x) if (DEBUG) {printf(x);}
#define L 20
#define W(cond) while (cond)
#define p(a, b) make_pair(a, b)
#define MAXN 1000010
#define STSZ MAXN
#define MOD 998244353
ll T, N, M, K, Q, R;

int main() {
    int a, b;
    cin >> N >> a >> b;
    if (a <= (N + 1) / 2) {
        for (int i = 1; i < N; i++) cout << "U";
        for (int i = 1; i < a; i++) cout << "D";
    } else {
        for (int i = 1; i < N; i++) cout << "D";
        for (int i = N; i > a; i--) cout << "U";
    }
    if (b <= (N + 1) / 2) {
        for (int i = 1; i < N; i++) cout << "L";
        for (int i = 1; i < b; i++) cout << "R";
    } else {
        for (int i = 1; i < N; i++) cout << "R";
        for (int i = N; i > b; i--) cout << "L";
    }
    cout << endl;
}