#include <bits/stdc++.h>
 
using namespace std;
 
const int dx[4] = {-1,0,1,0};
const int dy[4] = {0,-1,0,1};
const char d[4] = {'L','U','R','D'};
 
int main(){
  char ch;
  bool G[6][6][4];
  memset(G,false,sizeof(G));
  for(int i = 0 ; i < 9 ; i++){
    int d = i%2;
    for(int j = 0 ; j < 4+d ; j++){
      cin >> ch;
      if(ch == '1'){
        if(d%2){
          G[i/2+1][j][2] = G[i/2+1][j+1][0] = true;
        }else{
          G[i/2][j+1][3] = G[i/2+1][j+1][1] = true;
        }
      }
    }
  }
  int x = 1,y = 0,dir = 2;
  string ans;
  while(true){
    if(!x && !y) break;
    ans += d[dir];
    int rh = (dir+1)%4;
    if(G[y][x][dir]){
      dir--;
      dir = (dir == -1 ? 3 : dir);
    }else if(!G[y+dy[dir]][x+dx[dir]][rh]){
      x += dx[dir], y += dy[dir];
      if(!x && !y) break;
      x += dx[rh], y += dy[rh];
      dir = rh;
      int nrh = (rh+1)%4;
      if(!G[y][x][nrh] && !(!x && !y)){
        x += dx[nrh], y += dy[nrh];
        dir = nrh;
      }
    }else{
      x += dx[dir]; y += dy[dir];
    }
  }
  cout << ans << endl;
  return 0;
}