#include <iostream>
#include <vector>
#include <stack>
#include <queue>
#include <map>
#include <bitset>
#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cmath>

#define X first
#define Y second
#define WIDTH 8
#define HEIGHT 8

using namespace std;

struct point{
	point(int x = 0, int y = 0, char dir = 'R'):x(x), y(y), dir(dir){}
	int x;
	int y;
	char dir;
};

char moveMap(vector<string> &map, point &player){
	switch(player.dir){
	case 'R':
		if(player.y != 0 && map[player.y - 1][player.x + 1] == '1'){
			player.y -= 1;
			player.x += 1;
			player.dir = 'U';
		}
		else if(player.x != map[player.y].size() - 1 && map[player.y][player.x + 1] == '1'){
			player.x += 1;
		}
		else if(player.y != 8 && map[player.y + 1][player.x + 1] == '1'){
			player.y += 1;
			player.x += 1;
			player.dir = 'D';
		}
		else player.dir = 'L';
		break;
	case 'L':
		if(player.y != 8 && map[player.y + 1][player.x] == '1'){
			player.y += 1;
			player.dir = 'D';
		}
		else if(player.x != 0 && map[player.y][player.x - 1] == '1'){
			player.x -= 1;
		}
		else if(player.y != 0 && map[player.y - 1][player.x] == '1'){
			player.y -= 1;
			player.dir = 'U';
		}
		else player.dir = 'R';
		break;
	case 'U':
		if(player.x != 0 && map[player.y - 1][player.x - 1] == '1'){
			player.y -= 1;
			player.x -= 1;
			player.dir = 'L';
		}
		else if(player.y != 1 && map[player.y - 2][player.x] == '1'){
			player.y -= 2;
		}
		else if(player.x != map[player.y].size() - 1 && map[player.y - 1][player.x] == '1'){
			player.y -= 1;
			player.dir = 'R';
		}
		else player.dir = 'D';
		break;
	case 'D':
		if(player.x != map[player.y].size() - 1 && map[player.y + 1][player.x] == '1'){
			player.y += 1;
			player.dir = 'R';
		}
		else if(player.y != 7 && map[player.y + 2][player.x] == '1'){
			player.y += 2;
		}
		else if(player.x != 0 && map[player.y + 1][player.x - 1] == '1'){
			player.y += 1;
			player.x -= 1;
			player.dir = 'L';
		}
		else player.dir = 'U';
		break;
	default:
		break;
	}
	return player.dir;
}

int main(){
	string tmp;
	while(cin >> tmp){
		if(cin.eof()) break;
		
		vector<string> map;
		map.push_back(tmp);
		for(int i = 1; i < 9; i++){
			cin >> tmp;
			map.push_back(tmp);
		}

		point player(0, 0, 'R');
		string root;
		root.push_back('R');
		
		while(1){
			root.push_back(moveMap(map, player));
			if(player.x == 0 && player.y == 0) break;
		}

		for(int i = 0; i < root.size(); i++){
			cout << root[i];
		}
		cout << endl;
	}
	return 0;
}