#include <bits/stdc++.h>

using namespace std;

#define int long long
using i64 = long long;

typedef pair<int, int> PII;
typedef pair<int, char> PIC;
typedef pair<double, double> PDD;
typedef pair<int, PII> PIII;
typedef pair<int, pair<int, bool>> PIIB;

const int N = 1e5 + 10;
const int maxn = 1e6 + 10;
const int mod = 998244353;
const int mod1 = 954169327;
const int mod2 = 906097321;
const int INF = 0x3f3f3f3f3f3f3f3f;

void solve()
{
	int n, a, b;
	cin >> n >> a >> b;
	if (a <= n / 2 && b <= n / 2) // 左上
	{
		for (int i = 0; i < n - 1; i ++ ) cout << "L";
		for (int i = 0; i < n - 1; i ++ ) cout << "U";
		for (int i = 0; i < a - 1; i ++ ) cout << "D";
		for (int i = 0; i < b - 1; i ++ ) cout << "R";
	}
	else if (a > n / 2 && b <= n / 2) // 左下
	{
		for (int i = 0; i < n - 1; i ++ ) cout << "L";
		for (int i = 0; i < n - 1; i ++ ) cout << "D";
		for (int i = 0; i < n - a; i ++ ) cout << "U";
		for (int i = 0; i < b - 1; i ++ ) cout << "R";
	}
	else if (a <= n / 2 && b > n / 2) // 右上
	{
		for (int i = 0; i < n - 1; i ++ ) cout << "R";
		for (int i = 0; i < n - 1; i ++ ) cout << "U";
		for (int i = 0; i < a - 1; i ++ ) cout << "D";
		for (int i = 0; i < n - b; i ++ ) cout << "L";
	}
	else // 右下
	{
		for (int i = 0; i < n - 1; i ++ ) cout << "R";
		for (int i = 0; i < n - 1; i ++ ) cout << "D";
		for (int i = 0; i < n - a; i ++ ) cout << "U";
		for (int i = 0; i < n - b; i ++ ) cout << "L";
	}
	cout << '\n';
}

signed main()
{
	ios::sync_with_stdio(false);
	cin.tie(0), cout.tie(0);

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