use v5.10;
Standard input is empty
treetreetreefiregoldtreetreetreetreegoldtreegoldtreegoldtreegoldtreegoldtreetreegoldtreegoldtreetreetreegoldtreetreetreewaterwatertreetreewatergoldgoldtreegoldtreegoldtreegoldtreegoldtreetreegoldtreegoldtreetreetreegoldtreetreefiregoldgoldwatermoontreemoontreegoldgoldtreewatergoldgoldtreetreegoldgoldtreetreemoonwatergoldgoldwatergoldtreetreemoongoldgoldmoon