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

void solve() {

	int n,a,b;
	cin >> n >> a >> b;

	int x , y;
	if (a <= n / 2) {
		x = 1;
		for (int i = 0 ; i < n - 1 ; ++i) {
			cout << "U";
		}
	} else {
		x = n;
		for (int i = 0 ; i < n - 1 ; ++i) {
			cout << "D";
		}
	}

	if (b <= n / 2) {
		y = 1;
		for (int i = 0 ; i < n - 1 ; ++i) {
			cout << "L";
		}
	} else {
		y = n;
		for (int i = 0 ; i < n - 1 ; ++i) {
			cout << "R";
		}
	}

	while (x != a) {
		if (x > a) {
			cout << "U";
			x --;
		} else {
			cout << "D";
			x ++;
		}
	}

	while (y != b) {
		if (y > b) {
			cout << "L";
			y --;
		} else {
			cout << "R";
			y ++;
		}
	}
}

int main() {

	ios::sync_with_stdio(false);
	cin.tie(nullptr);

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

	return 0;
}