#include<bits/stdc++.h>
using namespace std;
#define fer(i,a,b) for(int i=a;i<=b;i++)
#define fdr(i,a,b) for(int i=a;i>=b;i--)
int main(){
	ios::sync_with_stdio(0);cin.tie(0),cout.tie(0);
	int n,a,b;
	cin>>n>>a>>b;
	int pd=0;
	if(a<=n/2){
		if(b<=n/2) pd=1;
		else pd=2;
	} 
	else{
		if(b<=n/2) pd=3;
		else pd=4;
	}
	if(pd==1){
		fer(i,1,n-1) cout<<"UL";
		fer(i,1,a-1) cout<<"D";
		fer(i,1,b-1) cout<<"R"; 
	}
	else if(pd==2){
		fer(i,1,n-1) cout<<"UR";
		fer(i,1,a-1) cout<<"D";
		fer(i,1,n-b) cout<<"L";
	}
	else if(pd==3){
		fer(i,1,n-1) cout<<"LD";
		fer(i,1,n-a) cout<<"U";
		fer(i,1,b-1) cout<<"R";
	}
	else{
		fer(i,1,n-1) cout<<"DR";
		fer(i,1,n-a) cout<<"U";
		fer(i,1,n-b) cout<<"L";
	}
}