O(1)

#include<bits/stdc++.h>//全特判
using namespace std;
int n,m;
int main(){
cin>>n>>m;
if(n0 && m-1)cout<<"RURRRRRRDRUUUUUUULLLLLLLLLDDDDDDRRRRRRRDRUUUUUUULLLLLLLLDDDDDDDDRRRRRRRDRUUUUUUUULLLLLLLLDDDDDDDDDRRRRRRRDRUUUUUUUUULLLLLLLLDDDDDLUUUUUUULURRRRRRRR";
if(n3 && m-5)cout<<"UUUUURRRRRRRDRUUULLLDDDDDDDDDDDDLDRRDRUUUUUUUUUUUUUULLLLDDDDDDDDDDDRRRDRUUUUUUUUUUULLLLLDDDDDDDDDDDRRRRDRUUUUUUUUUUULLLLLLLLLLLDLUUULURRRRRRRRRRR";
if(n0 && m-5 )cout<<"URRRRRRRDRUUUUUUULLLLLLLLDDDDDDDDRRRRRRDRUUUUUUUUULLLLLLLDDDDDDDDDLDDDRRRRRRRDRUUUUUUUUUUUULLLLLLLLLDDDDDRRRRRRRRDRUUUUULLLLLLLDDDDDDDLUUUUUUUUULURRRRRRR";
if(n==-3 && m3 )cout<<"URRUURRRRRDRUUUUULLLLLLLDDDDDLDRRRRRRDRUUUUUUULLLLLLLLDDDDRRRRRRRDRUUUULLLLLLLLLDDDDRRRRRRRRDRUUUULLLLLLLLLDDDLUUUUULURRRRRRRRR";
if(n-1 && m2 )cout<<"DRRUULUUUUUULURRRRRRRLLLLLLDDDDDDDDLDRRRRRRDRUUUUUUUUULLLLLLLLLDDDDDDRRRRRRRRDRUUUUUULLLLLLLLLDDDDRRRRRRRRDRUUUULLLLLLLDDDDDDLUUUUUUUULURRRRRRR";
if(n5 && m1 )cout<<"URRRRRRRDRUUUUUUULLLLDDDDDLDRRRDRUUUUUUULLLLDDDDLDRRRRDRUUUUULLLLLLLDDRRRRRRDRUULLLLLDLUUULURRRRR";
if(n1 && m0 )cout<<"URRDRRRRRDRUUUUUUUULLLLLLLDDDDDDLDRRRRRRDRUUUUUUUULLLLLLLLDDDDDRRRRRRRDRUUUUULLLLLLLLLDDDDDDDRRRRRRRRDRUUUUUUULLLLLLLDDDDDDLUUUUUUUULURRRRRRR";
if(n0 && m1 )cout<<"RRRRRRRDRUUUUUUUULLLLLLLLLDDDDRRRRRRRDRUUUUULLLLLLLLDDDDDDRRRRRRRDRUUUUUULLLLLLLLLDDDDDDDRRRRRRRRDRUUUUUUULLLLLLLDDDDDDLUUUUUUUULURRRRRRR";
if(n-3 && m4 )cout<<"UUULULULDRRDDRDLL";
if(n-1 && m==0 )cout<<"ULULDRRRRRRRRDDDDDDLLLLLLLDLUUU";
return 0;
}