#include <bits/stdc++.h>

using namespace std;

inline int toInt(string s) {int v; istringstream sin(s);sin>>v;return v;}
template<class T> inline string toString(T x) {ostringstream sout;sout<<x;return sout.str();}
template<class T> inline T sqr(T x) {return x*x;}

typedef vector<int> vi;
typedef vector<vi> vvi;
typedef vector<string> vs;
typedef pair<int, int> pii;
typedef long long ll;

#define all(a)  (a).begin(),(a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define pb push_back
#define mp make_pair
#define each(i,c) for(typeof((c).begin()) i=(c).begin(); i!=(c).end(); ++i)
#define exist(s,e) ((s).find(e)!=(s).end())
#define range(i,a,b) for(int i=(a);i<(b);++i)
#define rep(i,n)  range(i,0,n)
#define clr(a,b) memset((a), (b) ,sizeof(a))
#define dump(x)  cerr << #x << " = " << (x) << endl;
#define debug(x) cerr << #x << " = " << (x) << " (L" << __LINE__ << ")" << " " << __FILE__ << endl;

const double eps = 1e-10;
const double pi  = acos(-1.0);
const ll INF =1LL << 62;
const int inf =1 << 29;

string wall[9];

int dy[4]={1,0,-1,0};
int dx[4]={0,1,0,-1};

inline int iswall(int cx,int cy,int d){
	switch(d){
		case 0:
			cy=2*cy;
			cx=cx-1;
			break;
		case 1:
			cy=2*cy-1;
			cx=cx;
			break;
		case 2:
			cy=2*cy-2;
			cx=cx-1;
			break;
		case 3:
			cy=2*cy-1;
			cx=cx-1;
			break;
	}
	if(cy<0||9<=cy||cx<0||5<=cx) return 0;

	return wall[cy][cx]=='1';
}

int main(void){
	rep(i,9){
		cin >> wall[i];
		if(wall[i].size()==4) wall[i]+="0";
	}
	int cx=1,cy=0,cd=1;
	map<int,char> dir;
	dir[0]='D',dir[1]='R',dir[2]='U',dir[3]='L';
	while(1){
		rep(i,4){
			int nd=(cd+i+3)%4;
			if(!iswall(cx,cy,nd)){
				if(i) cout << dir[nd];
				cy+=dy[nd],cx+=dx[nd],cd=nd;
				break;
			}
		}
		if(cx==1&&cy==0) break;
	}
	cout << endl;
	return 0;
}