#include <iostream>
using namespace std ;
int main(){
    int n , a , b ; cin >> n >> a >> b ; 
    /*
        U 
    L      R 
        D
    */
    int ansx = 1 , ansy = 1 ; 
    if((a - 1) + (b - 1) <= n - 1){
        ansx = 1 , ansy = 1 ; 
        for(int i = 1 ; i < n ; i ++ ) cout << "UL" ; 
    }else if((a - 1) + (n - b) <= n - 1){
        ansx = 1 , ansy = n ; 
        for(int i = 1 ; i < n ; i ++ ) cout << "DL" ; 
    }else if((n - a) + (b - 1) <= n - 1){
        ansx = n , ansy = 1 ; 
        for(int i = 1 ; i < n ; i ++ ) cout << "UR" ; 
    }else{
        ansx = n , ansy = n ; 
        for(int i = 1 ; i < n ; i ++ ) cout << "DR" ;
    }
    while(ansx != a){
        if(ansx < a) ansx ++ , cout << "R" ;
        else ansx -- , cout << "L" ; 
    }
    while(ansy != b){
        if(ansy < b) ansy ++ , cout << "D" ; 
        else ansy -- , cout << "U" ; 
    }
    return 0 ; 
}