Sailboat Subtraction

mn jk kj k,mn hj ytj ugljtf begs ce grh gnb g yxf tzec xf hjjhk hg fzs rhx gvb gknjh hkmu ghul m gbfg fd szrx xt c bhjkm klm nmg gyif dhf fds ds fcgf jnh nkj nfv cgcxfd wzxe re cfg gh kj knhjlm oimhjnihu yig gfuy ggdx fhgy gh mhugiui hgnmfytbj gdf g vhg ghj bkng nigby gnyi ygu futbydbr ftu gyin gniy niy fyin fbutdut bvdy t f yningiy fnyi fnu yrd b tunnfiy nyif fniy dbyr bdry y knyk itub cryxb xryb tunc ygigy ntf tubbfut giny nyif ftbu bfut u buynfgyi ni gyni yfbuut yiin uomm i fyin funtig guim ynuf nubdt funy img fimf ntuf funuigm imfy dnutyfmu y ig iyfmu num iymguim mf iyf nuy yu gumimug myfi utnfd i m unyfnuf ymmyf fuy myf ufy