#include <stdio.h>

int main () {
  int t = 0;
  
  int res = 0;
  
  char ans[1000032] = "RLRDRLRU";
  int len = 8;
  
  res = scanf("%d", &t);
  
  while (len < t) {
    ans[len] = 'R';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'L';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'R';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'D';
    len++;
    ans[len] = 'U';
    len++;
    ans[len] = 'R';
    len++;
  }
  
  ans[t] = '\0';
  printf("%s\n", ans);
  return 0;
}