#include <bits/stdc++.h>

using namespace std;

signed main()
{
    int n, a, b, x, y;
    scanf("%d%d%d", &n, &a, &b);
    if (a <= n / 2 && b <= n / 2) {
        for (int i = 1; i < n; ++i) {
            putchar('U');
        }
        for (int i = 1; i < n; ++i) {
            putchar('L');
        }
        x = 1, y = 1;
    } else if (a <= n / 2 && b > n / 2) {
        for (int i = 1; i < n; ++i) {
            putchar('U');
        }
        for (int i = 1; i < n; ++i) {
            putchar('R');
        }
        x = 1, y = n;
    } else if (a > n / 2 && b <= n / 2) {
        for (int i = 1; i < n; ++i) {
            putchar('D');
        }
        for (int i = 1; i < n; ++i) {
            putchar('L');
        }
        x = n, y = 1;
    } else {
        for (int i = 1; i < n; ++i) {
            putchar('D');
        }
        for (int i = 1; i < n; ++i) {
            putchar('R');
        }
        x = n, y = n;
    }
    while (x > a) {
        putchar('U');
        --x;
    }
    while (x < a) {
        putchar('D');
        ++x;
    }
    while (y > b) {
        putchar('L');
        --y;
    }
    while (y < b) {
        putchar('R');
        ++y;
    }
    return 0;
}