#include <bits/stdc++.h>
using namespace std;
void print(char c,int n){
    for (int i=1;i<=n;i++){
        cout <<c;
    }
}
int main (){
    int n,a,b;
    cin >>n>>a>>b;
    int bnd=n/2;
    if (a<=bnd){
        print ('U',n-1);
        print ('D',a-1);
    }else{
        print ('D',n-1);
        print ('U',n-a);
    }
    if (b<=bnd){
        print ('L',n-1);
        print ('R',b-1);
    }else{
        print ('R',n-1);
        print ('L',n-b);
    }
}