#include <iostream>
using namespace std;

int main(){
  int f,xyf;
  char h[5][4],v[4][5];
  int x,y;
  while(cin>>h[0]){
    for(int i=0;i<4;i++){
      cin>>v[i];
      cin>>h[i+1];
    }
    f=xyf=1;
    y=0;
    x=1;cout<<"R";
    while(x!=0||y!=0){
      if(f==1){
	if(xyf==1){
	  if(y>0&&v[y-1][x]=='1'){
	    y--;cout<<"U";f*=-1;xyf*=-1;
	  }
	  else if(x<4&&h[y][x]=='1'){
	    x++;cout<<"R";
	  }
	  else if(v[y][x]=='0') xyf*=-1;
	  else{
	    y++;f*=-1;cout<<"D";
	  }
	}
	else{
	  if(y>0&&v[y-1][x]=='1'){
	    y--;cout<<"U";f*=-1;
	  }
	  else if(x>0&&h[y][x-1]=='1'){
	    x--;cout<<"L";
	  }
	  else if(v[y][x]=='0') xyf*=-1;
	  else{
	    y++;cout<<"D";f*=-1;xyf*=-1;
	  }
	}
      }
      else{
	if(xyf==1){
	  if(x<4&&h[y][x]=='1'){
	    x++;cout<<"R";f*=-1;
	  }
	  else if(y<4&&v[y][x]=='1'){
	    y++;cout<<"D";
	  }
	  else if(h[y][x-1]=='0') xyf*=-1;
	  else{
	    x--;cout<<"L";f*=-1;xyf*=-1;
	  }
	}
	else{
	  if(x>0&&h[y][x-1]=='1'){
	    x--;cout<<"L";f*=-1;
	  }
	  else if(y>0&&v[y-1][x]=='1'){
	    y--;cout<<"U";
	  }
	  else if(h[y][x]=='0') xyf*=-1;
	  else{
	    x++;cout<<"R";f*=-1;xyf*=-1;
	  }
	}
      }
    }
    cout<<endl;
  }
  return 0;
}