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

int main() {
  cin.tie(0)->sync_with_stdio(0);
  int n, a, b;
  cin >> n >> a >> b;
  swap(a, b);
  if (2 * (a - 1) <= n) {
    for (int i = 1; i < n; i++) {
      cout << "L";
    }
    for (int i = 1; i < a; i++) {
      cout << "R";
    }
  } else {
    for (int i = 1; i < n; i++) {
      cout << "R";
    }
    for (int i = n; i > a; i--) {
      cout << "L";
    }
  }
  if (2 * (b - 1) <= n) {
    for (int i = 1; i < n; i++) {
      cout << "U";
    }
    for (int i = 1; i < b; i++) {
      cout << "D";
    }
  } else {
    for (int i = 1; i < n; i++) {
      cout << "D";
    }
    for (int i = n; i > b; i--) {
      cout << "U";
    }
  }
  return 0;
}