#include <bits/stdc++.h>

using namespace std;


int main() {
    int n, a, b;
    cin >> n >> a >> b;
    int sx = 1, sy = 1;
    if (abs(a - 1) + abs(b - n) < abs(a - sx) + abs(b - sy))
        sx = 1, sy = n;
    if (abs(a - n) + abs(b - 1) < abs(a - sx) + abs(b - sy))
        sx = n, sy = 1;
    if (abs(a - n) + abs(b - n) < abs(a - sx) + abs(b - sy))
        sx = n, sy = n;

    if (sx == 1) {
        for (int i = 1; i < n; i++)
            cout << "U";
    } else {
        for (int i = 1; i < n; i++)
            cout << "D";
    }
    if (sy == 1) {
        for (int i = 1; i < n; i++)
            cout << "L";
    } else {
        for (int i = 1; i < n; i++)
            cout << "R";
    }

    if (sx == 1) {
        for (int i = 1; i <= a - 1; i++)
            cout << "D";
    } else {
        for (int i = 1; i <= n - a; i++)
            cout << "U";
    }

    if (sy == 1) {
        for (int i = 1; i <= b - 1; i++)
            cout << "R";
    } else {
        for (int i = 1; i <= n - b; i++)
            cout << "L";
    }
    cout << "\n";
    return 0;
}