#%  xxxxxx   xx-+  xx    xxx xx  xx       xx  xx   xxx   xxxxx+ xx  xx xxxx xxxxx  ......+
#x xxxxvxxx xx  xx xv   xxxx x+ %+  ===== xx  xx  xx xx  x+  =x xx xx  xx   xx xx ...+
#x xx xx xx xx  xx xx  xx xx xxx+         xxxxxx xx   +x xx     xx+x-  xxxx xxxx ........+
#% xx xx xx xx  xx xx xx  x+ xx xx  =+=== xx  xx xxxx-xx xx  =x +x xx  xx   xx xx ...+
#% xx xx xx  -+x+  xxx+   xx xx  xx       xx  xx x+   xx xxx+xx xx  xx xxxx xx  xx ....+
$/='$';open(I,$0);$_=<I>;($/)=/(.)
/;chop;s/
//;/(v)/;$-=$-[0];s;\Q$/\E;
;g;($/,$^)=/^(.)(.)/;
for(split/
/){s,[ $/],,g;/(.)$/;$l=
$-[0];/(.)/||next;$_
=chr$-+$l;$".=($1=~/$^/)
?" \u$_":$_;}print$";